autoptimizeCriticalCSSEnqueue::ao_ccss_define_job() - Code Metrics - Inspection of "this is 2.7" - futtta/autoptimize - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( b4100c...ed2097 )

by frank

created 2020-05-02 14:09 UTC

ao_ccss_define_job() A

↳ Parent: autoptimizeCriticalCSSEnqueue

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
nc	2
nop	9
dl	0
loc	29
rs	9.456
c	0
b	0
f	0

How to fix Many Parameters

<?php
/**
 * Critical CSS job enqueue logic.
 */

if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

class autoptimizeCriticalCSSEnqueue {
    public function __construct()
    {
        // fetch all options at once and populate them individually explicitely as globals.
        $all_options = autoptimizeCriticalCSSBase::fetch_options();
        foreach ( $all_options as $_option => $_value ) {
            global ${$_option};
            ${$_option} = $_value;
        }
    }

    public static function ao_ccss_enqueue( $hash ) {
        $self = new self();
        // Get key status.
        $key = autoptimizeCriticalCSSCore::ao_ccss_key_status( false );

        // Queue is available to anyone...
        $enqueue = true;

        // ... which are not the ones below.
        if ( is_user_logged_in() || is_feed() || is_404() || ( defined( 'DOING_AJAX' ) && DOING_AJAX ) || $self->ao_ccss_ua() || 'nokey' == $key['status'] || 'invalid' == $key['status'] ) {
            $enqueue = false;
            autoptimizeCriticalCSSCore::ao_ccss_log( "Job queuing is not available for WordPress's logged in users, feeds, error pages, ajax calls, to criticalcss.com itself or when a valid API key is not found", 3 );
        }

        if ( $enqueue ) {
            // Continue if queue is available
            // Attach required arrays/ vars.
            global $ao_ccss_rules;
            global $ao_ccss_queue_raw;
            global $ao_ccss_queue;
            global $ao_ccss_forcepath;

            // Get request path and page type, and initialize the queue update flag.
            $req_path        = strtok( $_SERVER['REQUEST_URI'], '?' );
            $req_type        = $self->ao_ccss_get_type();
            $job_qualify     = false;
            $target_rule     = false;
            $rule_properties = false;
            $queue_update    = false;

            // Match for paths in rules.
            foreach ( $ao_ccss_rules['paths'] as $path => $props ) {

                // Prepare rule target and log.
                $target_rule = 'paths|' . $path;
                autoptimizeCriticalCSSCore::ao_ccss_log( 'Qualifying path <' . $req_path . '> for job submission by rule <' . $target_rule . '>', 3 );

                // Path match
                // -> exact match needed for AUTO rules
                // -> partial match OK for MANUAL rules (which have empty hash and a file with CCSS).
                if ( $path === $req_path || ( false == $props['hash'] && false != $props['file'] && preg_match( '|' . $path . '|', $req_path ) ) ) {

                    // There's a path match in the rule, so job QUALIFIES with a path rule match.
                    $job_qualify     = true;
                    $rule_properties = $props;
                    autoptimizeCriticalCSSCore::ao_ccss_log( 'Path <' . $req_path . '> QUALIFIED for job submission by rule <' . $target_rule . '>', 3 );

                    // Stop processing other path rules.
                    break;
                }
            }

            // Match for types in rules if no path rule matches and if we're not enforcing paths.
            if ( ! $job_qualify && ( ! $ao_ccss_forcepath || ! in_array( $req_type, apply_filters( 'autoptimize_filter_ccss_coreenqueue_forcepathfortype', array( 'is_page' ) ) ) ) ) {
                foreach ( $ao_ccss_rules['types'] as $type => $props ) {

                    // Prepare rule target and log.
                    $target_rule = 'types|' . $type;
                    autoptimizeCriticalCSSCore::ao_ccss_log( 'Qualifying page type <' . $req_type . '> on path <' . $req_path . '> for job submission by rule <' . $target_rule . '>', 3 );

                    if ( $req_type == $type ) {
                        // Type match.
                        // There's a type match in the rule, so job QUALIFIES with a type rule match.
                        $job_qualify     = true;
                        $rule_properties = $props;
                        autoptimizeCriticalCSSCore::ao_ccss_log( 'Page type <' . $req_type . '> on path <' . $req_path . '> QUALIFIED for job submission by rule <' . $target_rule . '>', 3 );

                        // Stop processing other type rules.
                        break;
                    }
                }
            }

            if ( $job_qualify && false == $rule_properties['hash'] && false != $rule_properties['file'] ) {
                // If job qualifies but rule hash is false and file isn't false  (MANUAL rule), job does not qualify despite what previous evaluations says.
                $job_qualify = false;
                autoptimizeCriticalCSSCore::ao_ccss_log( 'Job submission DISQUALIFIED by MANUAL rule <' . $target_rule . '> with hash <' . $rule_properties['hash'] . '> and file <' . $rule_properties['file'] . '>', 3 );
            } elseif ( ! $job_qualify && empty( $rule_properties ) ) {
                // But if job does not qualify and rule properties are set, job qualifies as there is no matching rule for it yet
                // Fill-in the new target rule.
                $job_qualify = true;

                // Should we switch to path-base AUTO-rules? Conditions:
                // 1. forcepath option has to be enabled (off by default)
                // 2. request type should be (by default, but filterable) one of is_page (removed for now: woo_is_product or woo_is_product_category).
                if ( $ao_ccss_forcepath && in_array( $req_type, apply_filters( 'autoptimize_filter_ccss_coreenqueue_forcepathfortype', array( 'is_page' ) ) ) ) {
                    if ( '/' !== $req_path ) {
                        $target_rule = 'paths|' . $req_path;
                    } else {
                        // Exception; we don't want a path-based rule for "/" as that messes things up, hard-switch this to a type-based is_front_page rule.
                        $target_rule = 'types|' . 'is_front_page';
                    }
                } else {
                    $target_rule = 'types|' . $req_type;
                }
                autoptimizeCriticalCSSCore::ao_ccss_log( 'Job submission QUALIFIED by MISSING rule for page type <' . $req_type . '> on path <' . $req_path . '>, new rule target is <' . $target_rule . '>', 3 );
            } else {
                // Or just log a job qualified by a matching rule.
                autoptimizeCriticalCSSCore::ao_ccss_log( 'Job submission QUALIFIED by AUTO rule <' . $target_rule . '> with hash <' . $rule_properties['hash'] . '> and file <' . $rule_properties['file'] . '>', 3 );
            }

            // Submit job.
            if ( $job_qualify ) {
                if ( ! array_key_exists( $req_path, $ao_ccss_queue ) ) {
                    // This is a NEW job
                    // Merge job into the queue.
                    $ao_ccss_queue[ $req_path ] = $self->ao_ccss_define_job(
                        $req_path,
                        $target_rule,
                        $req_type,
                        $hash,
                        null,
                        null,
                        null,
                        null,
                        true
                    );
                    // Set update flag.
                    $queue_update = true;
                } else {
                    // This is an existing job
                    // The job is still NEW, most likely this is extra CSS file for the same page that needs a hash.
                    if ( 'NEW' == $ao_ccss_queue[ $req_path ]['jqstat'] ) {
                        // Add hash if it's not already in the job.
                        if ( ! in_array( $hash, $ao_ccss_queue[ $req_path ]['hashes'] ) ) {
                            // Push new hash to its array and update flag.
                            $queue_update = array_push( $ao_ccss_queue[ $req_path ]['hashes'], $hash );
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}

                            // Log job update.
                            autoptimizeCriticalCSSCore::ao_ccss_log( 'Hashes UPDATED on local job id <' . $ao_ccss_queue[ $req_path ]['ljid'] . '>, job status NEW, target rule <' . $ao_ccss_queue[ $req_path ]['rtarget'] . '>, hash added: ' . $hash, 3 );

                            // Return from here as the hash array is already updated.
                            return true;
                        }
                    } elseif ( 'NEW' != $ao_ccss_queue[ $req_path ]['jqstat'] && 'JOB_QUEUED' != $ao_ccss_queue[ $req_path ]['jqstat'] && 'JOB_ONGOING' != $ao_ccss_queue[ $req_path ]['jqstat'] ) {
                        // Allow requeuing jobs that are not NEW, JOB_QUEUED or JOB_ONGOING
                        // Merge new job keeping some previous job values.
                        $ao_ccss_queue[ $req_path ] = $self->ao_ccss_define_job(
                            $req_path,
                            $target_rule,
                            $req_type,
                            $hash,
                            $ao_ccss_queue[ $req_path ]['file'],
                            $ao_ccss_queue[ $req_path ]['jid'],
                            $ao_ccss_queue[ $req_path ]['jrstat'],
                            $ao_ccss_queue[ $req_path ]['jvstat'],
                            false
                        );
                        // Set update flag.
                        $queue_update = true;
                    }
                }

                if ( $queue_update ) {
                    // Persist the job to the queue and return.
                    $ao_ccss_queue_raw = json_encode( $ao_ccss_queue );
                    update_option( 'autoptimize_ccss_queue', $ao_ccss_queue_raw, false );
                    return true;
                } else {
                    // Or just return false if no job was added.
                    autoptimizeCriticalCSSCore::ao_ccss_log( 'A job for path <' . $req_path . '> already exist with NEW or PENDING status, skipping job creation', 3 );
                    return false;
                }
            }
        }
    }

    public function ao_ccss_get_type() {
        // Get the type of a page
        // Attach the conditional tags array.
        global $ao_ccss_types;

        // By default, a page type is false.
        $page_type = false;

        // Iterates over the array to match a type.
        foreach ( $ao_ccss_types as $type ) {
            if ( strpos( $type, 'custom_post_' ) !== false ) {
                // Match custom post types.
                if ( get_post_type( get_the_ID() ) === substr( $type, 12 ) ) {
                    $page_type = $type;
                    break;
                }
            } elseif ( strpos( $type, 'template_' ) !== false ) {
                // If templates; don't break, templates become manual-only rules.
            } else {
                // Match all other existing types
                // but remove prefix to be able to check if the function exists & returns true.
                $_type = str_replace( array( 'woo_', 'bp_', 'bbp_', 'edd_' ), '', $type );
                if ( function_exists( $_type ) && call_user_func( $_type ) ) {
                    // Make sure we only return is_front_page (and is_home) for one page, not for the "paged frontpage" (/page/2 ..).
                    if ( ( 'is_front_page' !== $_type && 'is_home' !== $_type ) || ! is_paged() ) {
                        $page_type = $type;
                        break;
                    }
                }
            }
        }

        // Return the page type.
        return $page_type;
    }

    public function ao_ccss_define_job( $path, $target, $type, $hash, $file, $jid, $jrstat, $jvstat, $create ) {

        // Define a job entry to be created or updated
        // Define commom job properties.
        $path            = array();
        $path['ljid']    = $this->ao_ccss_job_id();
        $path['rtarget'] = $target;
        $path['ptype']   = $type;
        $path['hashes']  = array( $hash );
        $path['hash']    = $hash;
        $path['file']    = $file;
        $path['jid']     = $jid;
        $path['jqstat']  = 'NEW';
        $path['jrstat']  = $jrstat;
        $path['jvstat']  = $jvstat;
        $path['jctime']  = microtime( true );
        $path['jftime']  = null;

        // Set operation requested.
        if ( $create ) {
            $operation = 'CREATED';
        } else {
            $operation = 'UPDATED';
        }

        // Log job creation.
        autoptimizeCriticalCSSCore::ao_ccss_log( 'Job ' . $operation . ' with local job id <' . $path['ljid'] . '> for target rule <' . $target . '>', 3 );

        return $path;
    }

    public function ao_ccss_job_id( $length = 6 ) {
        // Generate random strings for the local job ID
        // Based on https://stackoverflow.com/a/4356295 .
        $characters        = '0123456789abcdefghijklmnopqrstuvwxyz';
        $characters_length = strlen( $characters );
        $random_string     = 'j-';
        for ( $i = 0; $i < $length; $i++ ) {
            $random_string .= $characters[ rand( 0, $characters_length - 1 ) ];
        }
        return $random_string;
    }

    public function ao_ccss_ua() {
        // Check for criticalcss.com user agent.
        $agent = '';
        if ( isset( $_SERVER['HTTP_USER_AGENT'] ) ) {
            $agent = $_SERVER['HTTP_USER_AGENT'];
        }

        // Check for UA and return TRUE when criticalcss.com is the detected UA, false when not.
        $rtn = strpos( $agent, AO_CCSS_URL );
        if ( 0 === $rtn ) {
            $rtn = true;
        } else {
            $rtn = false;
        }
        return ( $rtn );
    }
}


1			<?php
2			/**
3			* Critical CSS job enqueue logic.
4			*/
5
6			if ( ! defined( 'ABSPATH' ) ) {
7			exit;
8			}
9
10			class autoptimizeCriticalCSSEnqueue {
11			public function __construct()
12			{
13			// fetch all options at once and populate them individually explicitely as globals.
14			$all_options = autoptimizeCriticalCSSBase::fetch_options();
15			foreach ( $all_options as $_option => $_value ) {
16			global ${$_option};
17			${$_option} = $_value;
18			}
19			}
20
21			public static function ao_ccss_enqueue( $hash ) {
22			$self = new self();
23			// Get key status.
24			$key = autoptimizeCriticalCSSCore::ao_ccss_key_status( false );
25
26			// Queue is available to anyone...
27			$enqueue = true;
28
29			// ... which are not the ones below.
30			if ( is_user_logged_in() \|\| is_feed() \|\| is_404() \|\| ( defined( 'DOING_AJAX' ) && DOING_AJAX ) \|\| $self->ao_ccss_ua() \|\| 'nokey' == $key['status'] \|\| 'invalid' == $key['status'] ) {
31			$enqueue = false;
32			autoptimizeCriticalCSSCore::ao_ccss_log( "Job queuing is not available for WordPress's logged in users, feeds, error pages, ajax calls, to criticalcss.com itself or when a valid API key is not found", 3 );
33			}
34
35			if ( $enqueue ) {
36			// Continue if queue is available
37			// Attach required arrays/ vars.
38			global $ao_ccss_rules;
39			global $ao_ccss_queue_raw;
40			global $ao_ccss_queue;
41			global $ao_ccss_forcepath;
42
43			// Get request path and page type, and initialize the queue update flag.
44			$req_path = strtok( $_SERVER['REQUEST_URI'], '?' );
45			$req_type = $self->ao_ccss_get_type();
46			$job_qualify = false;
47			$target_rule = false;
48			$rule_properties = false;
49			$queue_update = false;
50
51			// Match for paths in rules.
52			foreach ( $ao_ccss_rules['paths'] as $path => $props ) {
53
54			// Prepare rule target and log.
55			$target_rule = 'paths\|' . $path;
56			autoptimizeCriticalCSSCore::ao_ccss_log( 'Qualifying path <' . $req_path . '> for job submission by rule <' . $target_rule . '>', 3 );
57
58			// Path match
59			// -> exact match needed for AUTO rules
60			// -> partial match OK for MANUAL rules (which have empty hash and a file with CCSS).
61			if ( $path === $req_path \|\| ( false == $props['hash'] && false != $props['file'] && preg_match( '\|' . $path . '\|', $req_path ) ) ) {
62
63			// There's a path match in the rule, so job QUALIFIES with a path rule match.
64			$job_qualify = true;
65			$rule_properties = $props;
66			autoptimizeCriticalCSSCore::ao_ccss_log( 'Path <' . $req_path . '> QUALIFIED for job submission by rule <' . $target_rule . '>', 3 );
67
68			// Stop processing other path rules.
69			break;
70			}
71			}
72
73			// Match for types in rules if no path rule matches and if we're not enforcing paths.
74			if ( ! $job_qualify && ( ! $ao_ccss_forcepath \|\| ! in_array( $req_type, apply_filters( 'autoptimize_filter_ccss_coreenqueue_forcepathfortype', array( 'is_page' ) ) ) ) ) {
75			foreach ( $ao_ccss_rules['types'] as $type => $props ) {
76
77			// Prepare rule target and log.
78			$target_rule = 'types\|' . $type;
79			autoptimizeCriticalCSSCore::ao_ccss_log( 'Qualifying page type <' . $req_type . '> on path <' . $req_path . '> for job submission by rule <' . $target_rule . '>', 3 );
80
81			if ( $req_type == $type ) {
82			// Type match.
83			// There's a type match in the rule, so job QUALIFIES with a type rule match.
84			$job_qualify = true;
85			$rule_properties = $props;
86			autoptimizeCriticalCSSCore::ao_ccss_log( 'Page type <' . $req_type . '> on path <' . $req_path . '> QUALIFIED for job submission by rule <' . $target_rule . '>', 3 );
87
88			// Stop processing other type rules.
89			break;
90			}
91			}
92			}
93
94			if ( $job_qualify && false == $rule_properties['hash'] && false != $rule_properties['file'] ) {
95			// If job qualifies but rule hash is false and file isn't false (MANUAL rule), job does not qualify despite what previous evaluations says.
96			$job_qualify = false;
97			autoptimizeCriticalCSSCore::ao_ccss_log( 'Job submission DISQUALIFIED by MANUAL rule <' . $target_rule . '> with hash <' . $rule_properties['hash'] . '> and file <' . $rule_properties['file'] . '>', 3 );
98			} elseif ( ! $job_qualify && empty( $rule_properties ) ) {
99			// But if job does not qualify and rule properties are set, job qualifies as there is no matching rule for it yet
100			// Fill-in the new target rule.
101			$job_qualify = true;
102
103			// Should we switch to path-base AUTO-rules? Conditions:
104			// 1. forcepath option has to be enabled (off by default)
105			// 2. request type should be (by default, but filterable) one of is_page (removed for now: woo_is_product or woo_is_product_category).
106			if ( $ao_ccss_forcepath && in_array( $req_type, apply_filters( 'autoptimize_filter_ccss_coreenqueue_forcepathfortype', array( 'is_page' ) ) ) ) {
107			if ( '/' !== $req_path ) {
108			$target_rule = 'paths\|' . $req_path;
109			} else {
110			// Exception; we don't want a path-based rule for "/" as that messes things up, hard-switch this to a type-based is_front_page rule.
111			$target_rule = 'types\|' . 'is_front_page';
112			}
113			} else {
114			$target_rule = 'types\|' . $req_type;
115			}
116			autoptimizeCriticalCSSCore::ao_ccss_log( 'Job submission QUALIFIED by MISSING rule for page type <' . $req_type . '> on path <' . $req_path . '>, new rule target is <' . $target_rule . '>', 3 );
117			} else {
118			// Or just log a job qualified by a matching rule.
119			autoptimizeCriticalCSSCore::ao_ccss_log( 'Job submission QUALIFIED by AUTO rule <' . $target_rule . '> with hash <' . $rule_properties['hash'] . '> and file <' . $rule_properties['file'] . '>', 3 );
120			}
121
122			// Submit job.
123			if ( $job_qualify ) {
124			if ( ! array_key_exists( $req_path, $ao_ccss_queue ) ) {
125			// This is a NEW job
126			// Merge job into the queue.
127			$ao_ccss_queue[ $req_path ] = $self->ao_ccss_define_job(
128			$req_path,
129			$target_rule,
130			$req_type,
131			$hash,
132			null,
133			null,
134			null,
135			null,
136			true
137			);
138			// Set update flag.
139			$queue_update = true;
140			} else {
141			// This is an existing job
142			// The job is still NEW, most likely this is extra CSS file for the same page that needs a hash.
143			if ( 'NEW' == $ao_ccss_queue[ $req_path ]['jqstat'] ) {
144			// Add hash if it's not already in the job.
145			if ( ! in_array( $hash, $ao_ccss_queue[ $req_path ]['hashes'] ) ) {
146			// Push new hash to its array and update flag.
147			$queue_update = array_push( $ao_ccss_queue[ $req_path ]['hashes'], $hash );
			0 ignored issues – show Unused Code introduced 2020-05-02 14:10 UTC by Report Bug Copy Issue Report `$queue_update` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
148
149			// Log job update.
150			autoptimizeCriticalCSSCore::ao_ccss_log( 'Hashes UPDATED on local job id <' . $ao_ccss_queue[ $req_path ]['ljid'] . '>, job status NEW, target rule <' . $ao_ccss_queue[ $req_path ]['rtarget'] . '>, hash added: ' . $hash, 3 );
151
152			// Return from here as the hash array is already updated.
153			return true;
154			}
155			} elseif ( 'NEW' != $ao_ccss_queue[ $req_path ]['jqstat'] && 'JOB_QUEUED' != $ao_ccss_queue[ $req_path ]['jqstat'] && 'JOB_ONGOING' != $ao_ccss_queue[ $req_path ]['jqstat'] ) {
156			// Allow requeuing jobs that are not NEW, JOB_QUEUED or JOB_ONGOING
157			// Merge new job keeping some previous job values.
158			$ao_ccss_queue[ $req_path ] = $self->ao_ccss_define_job(
159			$req_path,
160			$target_rule,
161			$req_type,
162			$hash,
163			$ao_ccss_queue[ $req_path ]['file'],
164			$ao_ccss_queue[ $req_path ]['jid'],
165			$ao_ccss_queue[ $req_path ]['jrstat'],
166			$ao_ccss_queue[ $req_path ]['jvstat'],
167			false
168			);
169			// Set update flag.
170			$queue_update = true;
171			}
172			}
173
174			if ( $queue_update ) {
175			// Persist the job to the queue and return.
176			$ao_ccss_queue_raw = json_encode( $ao_ccss_queue );
177			update_option( 'autoptimize_ccss_queue', $ao_ccss_queue_raw, false );
178			return true;
179			} else {
180			// Or just return false if no job was added.
181			autoptimizeCriticalCSSCore::ao_ccss_log( 'A job for path <' . $req_path . '> already exist with NEW or PENDING status, skipping job creation', 3 );
182			return false;
183			}
184			}
185			}
186			}
187
188			public function ao_ccss_get_type() {
189			// Get the type of a page
190			// Attach the conditional tags array.
191			global $ao_ccss_types;
192
193			// By default, a page type is false.
194			$page_type = false;
195
196			// Iterates over the array to match a type.
197			foreach ( $ao_ccss_types as $type ) {
198			if ( strpos( $type, 'custom_post_' ) !== false ) {
199			// Match custom post types.
200			if ( get_post_type( get_the_ID() ) === substr( $type, 12 ) ) {
201			$page_type = $type;
202			break;
203			}
204			} elseif ( strpos( $type, 'template_' ) !== false ) {
205			// If templates; don't break, templates become manual-only rules.
206			} else {
207			// Match all other existing types
208			// but remove prefix to be able to check if the function exists & returns true.
209			$_type = str_replace( array( 'woo_', 'bp_', 'bbp_', 'edd_' ), '', $type );
210			if ( function_exists( $_type ) && call_user_func( $_type ) ) {
211			// Make sure we only return is_front_page (and is_home) for one page, not for the "paged frontpage" (/page/2 ..).
212			if ( ( 'is_front_page' !== $_type && 'is_home' !== $_type ) \|\| ! is_paged() ) {
213			$page_type = $type;
214			break;
215			}
216			}
217			}
218			}
219
220			// Return the page type.
221			return $page_type;
222			}
223
224			public function ao_ccss_define_job( $path, $target, $type, $hash, $file, $jid, $jrstat, $jvstat, $create ) {
			0 ignored issues – show Unused Code introduced 2020-05-02 14:10 UTC by Report Bug Copy Issue Report The parameter `$path` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
225			// Define a job entry to be created or updated
226			// Define commom job properties.
227			$path = array();
228			$path['ljid'] = $this->ao_ccss_job_id();
229			$path['rtarget'] = $target;
230			$path['ptype'] = $type;
231			$path['hashes'] = array( $hash );
232			$path['hash'] = $hash;
233			$path['file'] = $file;
234			$path['jid'] = $jid;
235			$path['jqstat'] = 'NEW';
236			$path['jrstat'] = $jrstat;
237			$path['jvstat'] = $jvstat;
238			$path['jctime'] = microtime( true );
239			$path['jftime'] = null;
240
241			// Set operation requested.
242			if ( $create ) {
243			$operation = 'CREATED';
244			} else {
245			$operation = 'UPDATED';
246			}
247
248			// Log job creation.
249			autoptimizeCriticalCSSCore::ao_ccss_log( 'Job ' . $operation . ' with local job id <' . $path['ljid'] . '> for target rule <' . $target . '>', 3 );
250
251			return $path;
252			}
253
254			public function ao_ccss_job_id( $length = 6 ) {
255			// Generate random strings for the local job ID
256			// Based on https://stackoverflow.com/a/4356295 .
257			$characters = '0123456789abcdefghijklmnopqrstuvwxyz';
258			$characters_length = strlen( $characters );
259			$random_string = 'j-';
260			for ( $i = 0; $i < $length; $i++ ) {
261			$random_string .= $characters[ rand( 0, $characters_length - 1 ) ];
262			}
263			return $random_string;
264			}
265
266			public function ao_ccss_ua() {
267			// Check for criticalcss.com user agent.
268			$agent = '';
269			if ( isset( $_SERVER['HTTP_USER_AGENT'] ) ) {
270			$agent = $_SERVER['HTTP_USER_AGENT'];
271			}
272
273			// Check for UA and return TRUE when criticalcss.com is the detected UA, false when not.
274			$rtn = strpos( $agent, AO_CCSS_URL );
275			if ( 0 === $rtn ) {
276			$rtn = true;
277			} else {
278			$rtn = false;
279			}
280			return ( $rtn );
281			}
282			}
283

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ao_ccss_define_job() A

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