functions.php ➔ do_handle_errors() - Code Metrics - jrfnl/PHP-cheat-sheet-extended - Measure and Improve Code Quality continuously with Scrutinizer

functions.php ➔ do_handle_errors() F
last analyzed 2019-08-03 12:15 UTC

↳ Parent: Project

Complexity

Conditions	29
Paths	4609

Size

Total Lines

171

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	29
nc	4609
nop	4
dl	0
loc	171
rs	0
c	0
b	0
f	0

How to fix Long Method Complexity

<?php
/**
 * Some generic functions and mock objects for test variables.
 *
 * @package PHPCheatsheets
 *
 * @phpcs:disable Generic.Files.OneClassPerFile
 */

// Prevent direct calls to this file.
if ( ! defined( 'APP_DIR' ) ) {
	header( 'Status: 403 Forbidden' );
	header( 'HTTP/1.1 403 Forbidden' );
	exit();
}

/**
 * Simple object to use for tests with the object variable type.
 */
class TestObject {

	/**
	 * A property.
	 *
	 * @var null
	 */
	var $test1;

	/**
	 * Another property.
	 *
	 * @var bool
	 */
	var $test2 = true;


	/**
	 * Example method.
	 *
	 * @param string $var
	 */
	function print_it( $var ) {
		echo htmlspecialchars( $var );
	}
}

/**
 * Another simple object to use for tests with the object variable type.
 */
class TestObjectToString extends TestObject {

	/**
	 * A third property.
	 *
	 * @var string
	 */
	var $test3 = 'some string';


	/**
	 * Example __toString method.
	 *
	 * @return string
	 *
	 * @phpcs:disable PHPCompatibility.FunctionNameRestrictions.NewMagicMethods.__tostringFound -- Used for demo purposes.
	 */
	function __toString() {
		return $this->test3;
	}
	// phpcs:enable
}


/**
 * Helper function to compare strings, compatible with PHP4.
 *
 * @param mixed  $var1
 * @param mixed  $var2
 * @param string $function
 */
function pc_compare_strings( $var1, $var2, $function ) {
	$result = $function( $var1, $var2 );
	if ( is_int( $result ) ) {
		pr_int( $result );
	}
	else {
		pr_var( $result, '', true, true );
	}
}


/**
 * Catch errors to display in appendix.
 *
 * @param int    $error_no
 * @param string $error_str
 * @param string $error_file
 * @param int    $error_line
 *
 * @return null|false
 */
function do_handle_errors( $error_no, $error_str, $error_file, $error_line ) {
	if ( ! ( error_reporting() & $error_no ) ) {
		return;
	}

	if ( ! defined( 'E_STRICT' ) ) {
		define( 'E_STRICT', 2048 );
	}
	if ( ! defined( 'E_RECOVERABLE_ERROR' ) ) {
		define( 'E_RECOVERABLE_ERROR', 4096 );
	}
	if ( ! defined( 'E_DEPRECATED' ) ) {
		define( 'E_DEPRECATED', 8192 );
	}
	if ( ! defined( 'E_USER_DEPRECATED' ) ) {
		define( 'E_USER_DEPRECATED', 16384 );
	}

	switch ( $error_no ) {
		case E_ERROR: // 1 //
		case E_CORE_ERROR: // 16 //
		case E_COMPILE_ERROR: // 64 //
			$type  = 'Fatal error';
			$class = 'error';
			break;

		case E_USER_ERROR: // 256 //
			$type  = 'Fatal error';
			$class = 'error';
			break;

		case E_WARNING: // 2 //
		case E_CORE_WARNING: // 32 //
		case E_COMPILE_WARNING: // 128 //
			$type  = 'Warning';
			$class = 'warning';
			break;

		case E_USER_WARNING: // 512 //
			$type  = 'Warning';
			$class = 'warning';
			break;

		case E_PARSE: // 4 //
			$type  = 'Parse error';
			$class = 'error';
			break;

		case E_NOTICE: // 8 //
		case E_USER_NOTICE: // 1024 //
			$type  = 'Notice';
			$class = 'notice';
			break;

		case E_STRICT: // 2048 //
			$type  = 'Strict warning';
			$class = 'warning';
			break;

		case E_RECOVERABLE_ERROR: // 4096 //
			$type  = '(Catchable) Fatal error';
			$class = 'error';
			break;

		case E_DEPRECATED: // 8192 //
		case E_USER_DEPRECATED: // 16384 //
			$type  = 'Deprecated';
			$class = 'notice';
			break;

		default:
			$type  = 'Unknown error ( ' . $error_no . ' )';
			$class = 'error';
			break;
	}


	// Group some messages.
	$search = array(
		'array_key_exists() expects parameter 2 to be array',
		'key() expects parameter 1 to be array',
		'current() expects parameter 1 to be array',
		'array_filter() expects parameter 1 to be array',
		'preg_match() expects parameter 2 to be string',
		'strlen() expects parameter 1 to be string',
		'count_chars() expects parameter 1 to be string',
		'mb_strlen() expects parameter 1 to be string',
		'trim() expects parameter 1 to be string',
		'get_class() expects parameter 1 to be object',
		'get_resource_type() expects parameter 1 to be resource',
	);

	$replace = array(
		'array_key_exists() expects parameter 2 to be array, <em>null/boolean/integer/double/string/object/resource</em> given',
		'key() expects parameter 1 to be array, <em>null/boolean/integer/double/string/object/resource</em> given',
		'current() expects parameter 1 to be array, <em>null/boolean/integer/double/string/object/resource</em> given',
		'array_filter() expects parameter 1 to be array, <em>null/boolean/integer/double/string/object/resource</em> given',
		'preg_match() expects parameter 2 to be string, <em>array/object/resource</em> given',
		'strlen() expects parameter 1 to be string, <em>array/object/resource</em> given',
		'count_chars() expects parameter 1 to be string, <em>array/object/resource</em> given',
		'mb_strlen() expects parameter 1 to be string, <em>array/object/resource</em> given',
		'trim() expects parameter 1 to be string, <em>array/object/resource</em> given',
		'get_class() expects parameter 1 to be object, <em>boolean/integer/double/string/array/resource</em> given',
		'get_resource_type() expects parameter 1 to be resource, <em>null/boolean/integer/double/string/array/object</em> given',
	);

	// Group some more messages and make error message links work.
	$preg_search  = array(
		'`^(bc(?:add|sub|mul|div|mod|comp)|str(?:case|natcase|nat)?cmp|strcoll|similar_text|levenshtein)\(\) expects parameter ([12]) to be string, (?:array|object|resource) given$`',
		'`^fmod\(\) expects parameter ([12]) to be (double|float), (?:string|array|object|resource) given$`',
		'`^(is_(?:nan|(?:in)?finite))\(\) expects parameter ([12]) to be (double|float), (?:string|array|object|resource) given$`',
		'`^Object of class [A-Za-z]+ could not be converted to (int|double|float|string|number)$`',
		'`^Object of class [A-Za-z]+ to string conversion$`',
		'`^Cannot use object of type [A-Za-z]+ as array$`',
		'`<a href=(["\'])function\.`',
		'`^intdiv\(\) expects parameter ([12]) to be int(eger)?, (?:float|string|array|object|resource) given$`',
	);
	$preg_replace = array(
		'$1() expects parameter $2 to be string, <em>array/object/resource</em> given',
		'fmod() expects parameter $1 to be $2, <em>string/array/object/resource</em> given',
		'$1() expects parameter $2 to be $3, <em>string/array/object/resource</em> given',
		'Object of class <em>stdClass/TestObject/TestObjectToString</em> could not be converted to $1',
		'Object of class <em>stdClass/TestObject/TestObjectToString</em> to string conversion',
		'Cannot use object of type <em>stdClass/TestObject/TestObjectToString</em> as array',
		'<a href=$1https://php.net/function.',
		'intdiv() expects parameter $1 to be int$2, <em>float/string/array/object/resource</em> given',
	);

	foreach ( $search as $k => $s ) {
		if ( strpos( $error_str, $s ) === 0 ) {
			$error_str = $replace[ $k ];
			break;
		}
	}
	$error_str = preg_replace( $preg_search, $preg_replace, $error_str );


	$message = '<span class="' . $class . '">' . $type . '</span>: ' . $error_str;

	if ( isset( $GLOBALS['encountered_errors'] ) ) {
		// Ignore strict warnings (can't avoid having them if I want to keep this sheet working with PHP4).
		if ( $error_no !== E_STRICT ) {
			$key = get_error_key( $message );

			if ( $class === 'notice' || $class === 'warning' ) {
				$GLOBALS['has_error'][]['msg'] = ' (&nbsp;<span class="' . $class . '"><a href="#' . $GLOBALS['test'] . '-errors">#' . ( $key + 1 ) . '</a></span>&nbsp;)';
				return;
			}
			else if ( $class === 'error' ) {
				$GLOBALS['has_error'][]['msg'] = ' <span class="error">' . $type . ' (&nbsp;<a href="#' . $GLOBALS['test'] . '-errors">#' . ( $key + 1 ) . '</a>&nbsp;)</span>';
				return;
			}
			else {
				echo $message, ' in ', $error_file, ' on line ', $error_line, "<br />\n";
			}
		}
		else {
			return;
		}
	}
	else {
		if ( $error_no !== E_STRICT ) {
			echo $message, ' in ', $error_file, ' on line ', $error_line, "<br />\n";
		}
		else {
			return;
		}
	}

	return false; // Make sure it plays nice with other error handlers (remove if no other error handlers are set).
}


/**
 * Get the index key for an error message and add the error message to the global array if it doesn't exist yet.
 *
 * @param string $message
 *
 * @return int
 */
function get_error_key( $message ) {
	$key = array_search( $message, $GLOBALS['encountered_errors'], true );
	if ( $key === false ) {
		$GLOBALS['encountered_errors'][] = $message;
		$key                             = array_search( $message, $GLOBALS['encountered_errors'], true );
	}
	return $key;
}


/**
 * Determine the base url to use.
 *
 * @return string
 */
function determine_base_uri() {
	$valid_hosts = array(
		'phpcheatsheets.com',
		'phpcheatsheet.com',
		'phpcheatsheets.localdev',
		'localhost',
	);

	$base_uri = 'https://phpcheatsheets.com/';

	if ( isset( $_SERVER['HTTP_HOST'] ) && in_array( $_SERVER['HTTP_HOST'], $valid_hosts, true ) ) {
		$base_uri = 'https://' . $_SERVER['HTTP_HOST'] . determine_script_path();
	}
	else if ( isset( $_SERVER['SERVER_NAME'] ) && in_array( $_SERVER['SERVER_NAME'], $valid_hosts, true ) ) {
		$base_uri = 'https://' . $_SERVER['SERVER_NAME'] . determine_script_path();
	}

	return $base_uri;
}


/**
 * Determine the script path part of the base url.
 *
 * @return string
 */
function determine_script_path() {
	if ( ! empty( $_SERVER['SCRIPT_NAME'] ) && stripos( $_SERVER['SCRIPT_NAME'], 'index.php' ) !== false ) {
		return substr( $_SERVER['SCRIPT_NAME'], 0, stripos( $_SERVER['SCRIPT_NAME'], 'index.php' ) );
	}
	else if ( ! empty( $_SERVER['REQUEST_URI'] ) && stripos( $_SERVER['REQUEST_URI'], 'index.php' ) !== false ) {
		return substr( $_SERVER['REQUEST_URI'], 0, stripos( $_SERVER['REQUEST_URI'], 'index.php' ) );
	}
	else {
		return '/';
	}
}


/**
 * PHP4 compat.
 */
if ( ! function_exists( 'stripos' ) ) {
	/**
	 * Make an equivalent to the PHP5 stripos() function available in PHP4.
	 *
	 * @param string $haystack
	 * @param string $needle
	 *
	 * @return int|false
	 */
	function stripos( $haystack, $needle ) {
		$haystack = strtolower( $haystack );
		$needle   = strtolower( $needle );
		return strpos( $haystack, $needle );
	}
}


/**
 * Generate dropdown list of available static versions.
 *
 * @return string
 */
function generate_version_dropdown() {

	$available = glob( APP_DIR . '/static_results/' . $GLOBALS['type'] . '/php*.html' );
	usort( $available, 'version_compare' );
	$available = array_reverse( $available );

	$optgroup = 100;
	$options  = array();

	$options_html          = '';
	$optgroup_html_pattern = '
					<optgroup label="PHP %1$s">%2$s' . "\n\t\t\t\t\t</optgroup>";

	$regex = sprintf(
		'`^%1$s/static_results/%2$s/php(([457]\.[0-9]+)\.[0-9-]+(?:(?:alpha|beta|RC)(?:[0-9])?)?)\.html$`',
		preg_quote( APP_DIR, '`' ),
		preg_quote( $GLOBALS['type'], '`' )
	);

	foreach ( $available as $file ) {
		if ( preg_match( $regex, $file, $match ) ) {
			if ( $options !== array() && ( version_compare( $optgroup, $match[2], '>' ) && $optgroup !== 100 ) ) {
				$options_html .= sprintf( $optgroup_html_pattern, $optgroup, implode( "\n", $options ) );
				$options       = array();
			}
			$optgroup = $match[2];


			$selected = '';
			if ( ( isset( $GLOBALS['autogen'] ) && $GLOBALS['autogen'] === true ) && $match[1] === PHP_VERSION ) {
				$selected = ' selected="selected"';
			}
			$options[] = sprintf(
				'
						<option value="php%1$s"%2$s>PHP %1$s</option>',
				htmlspecialchars( $match[1], ENT_QUOTES, 'UTF-8' ),
				$selected
			);
		}
	}
	// Add last group.
	if ( $options !== array() ) {
		$options_html .= sprintf( $optgroup_html_pattern, $optgroup, implode( "\n", $options ) );
	}

	$dropdown = sprintf(
		'
			<form action="%6$sindex.php" method="get" id="choose-version">
				<input type="hidden" name="page" value="%1$s" />
				<input type="hidden" id="phpv-tab" name="tab" value="%2$s" />
				<select id="phpversion-dropdown" name="phpversion">
					<optgroup label="Live">
						<option value="live" %3$s >PHP %4$s</option>
					</optgroup>
					%5$s
				</select>
			</form>',
		htmlspecialchars( $GLOBALS['type'], ENT_QUOTES, 'UTF-8' ),
		htmlspecialchars( $GLOBALS['tab'], ENT_QUOTES, 'UTF-8' ),
		( ( ! isset( $GLOBALS['autogen'] ) || $GLOBALS['autogen'] !== true ) ? ' selected="selected"' : '' ),
		htmlspecialchars( PHP_VERSION, ENT_QUOTES, 'UTF-8' ),
		$options_html,
		htmlspecialchars( BASE_URI, ENT_QUOTES, 'UTF-8' )
	);

	return $dropdown;
}


1			<?php
2			/**
3			* Some generic functions and mock objects for test variables.
4			*
5			* @package PHPCheatsheets
6			*
7			* @phpcs:disable Generic.Files.OneClassPerFile
8			*/
9
10			// Prevent direct calls to this file.
11			if ( ! defined( 'APP_DIR' ) ) {
12			header( 'Status: 403 Forbidden' );
13			header( 'HTTP/1.1 403 Forbidden' );
14			exit();
15			}
16
17			/**
18			* Simple object to use for tests with the object variable type.
19			*/
20			class TestObject {
21
22			/**
23			* A property.
24			*
25			* @var null
26			*/
27			var $test1;
28
29			/**
30			* Another property.
31			*
32			* @var bool
33			*/
34			var $test2 = true;
35
36
37			/**
38			* Example method.
39			*
40			* @param string $var
41			*/
42			function print_it( $var ) {
43			echo htmlspecialchars( $var );
44			}
45			}
46
47			/**
48			* Another simple object to use for tests with the object variable type.
49			*/
50			class TestObjectToString extends TestObject {
51
52			/**
53			* A third property.
54			*
55			* @var string
56			*/
57			var $test3 = 'some string';
58
59
60			/**
61			* Example __toString method.
62			*
63			* @return string
64			*
65			* @phpcs:disable PHPCompatibility.FunctionNameRestrictions.NewMagicMethods.__tostringFound -- Used for demo purposes.
66			*/
67			function __toString() {
68			return $this->test3;
69			}
70			// phpcs:enable
71			}
72
73
74			/**
75			* Helper function to compare strings, compatible with PHP4.
76			*
77			* @param mixed $var1
78			* @param mixed $var2
79			* @param string $function
80			*/
81			function pc_compare_strings( $var1, $var2, $function ) {
82			$result = $function( $var1, $var2 );
83			if ( is_int( $result ) ) {
84			pr_int( $result );
85			}
86			else {
87			pr_var( $result, '', true, true );
88			}
89			}
90
91
92			/**
93			* Catch errors to display in appendix.
94			*
95			* @param int $error_no
96			* @param string $error_str
97			* @param string $error_file
98			* @param int $error_line
99			*
100			* @return null\|false
101			*/
102			function do_handle_errors( $error_no, $error_str, $error_file, $error_line ) {
103			if ( ! ( error_reporting() & $error_no ) ) {
104			return;
105			}
106
107			if ( ! defined( 'E_STRICT' ) ) {
108			define( 'E_STRICT', 2048 );
109			}
110			if ( ! defined( 'E_RECOVERABLE_ERROR' ) ) {
111			define( 'E_RECOVERABLE_ERROR', 4096 );
112			}
113			if ( ! defined( 'E_DEPRECATED' ) ) {
114			define( 'E_DEPRECATED', 8192 );
115			}
116			if ( ! defined( 'E_USER_DEPRECATED' ) ) {
117			define( 'E_USER_DEPRECATED', 16384 );
118			}
119
120			switch ( $error_no ) {
121			case E_ERROR: // 1 //
122			case E_CORE_ERROR: // 16 //
123			case E_COMPILE_ERROR: // 64 //
124			$type = 'Fatal error';
125			$class = 'error';
126			break;
127
128			case E_USER_ERROR: // 256 //
129			$type = 'Fatal error';
130			$class = 'error';
131			break;
132
133			case E_WARNING: // 2 //
134			case E_CORE_WARNING: // 32 //
135			case E_COMPILE_WARNING: // 128 //
136			$type = 'Warning';
137			$class = 'warning';
138			break;
139
140			case E_USER_WARNING: // 512 //
141			$type = 'Warning';
142			$class = 'warning';
143			break;
144
145			case E_PARSE: // 4 //
146			$type = 'Parse error';
147			$class = 'error';
148			break;
149
150			case E_NOTICE: // 8 //
151			case E_USER_NOTICE: // 1024 //
152			$type = 'Notice';
153			$class = 'notice';
154			break;
155
156			case E_STRICT: // 2048 //
157			$type = 'Strict warning';
158			$class = 'warning';
159			break;
160
161			case E_RECOVERABLE_ERROR: // 4096 //
162			$type = '(Catchable) Fatal error';
163			$class = 'error';
164			break;
165
166			case E_DEPRECATED: // 8192 //
167			case E_USER_DEPRECATED: // 16384 //
168			$type = 'Deprecated';
169			$class = 'notice';
170			break;
171
172			default:
173			$type = 'Unknown error ( ' . $error_no . ' )';
174			$class = 'error';
175			break;
176			}
177
178
179			// Group some messages.
180			$search = array(
181			'array_key_exists() expects parameter 2 to be array',
182			'key() expects parameter 1 to be array',
183			'current() expects parameter 1 to be array',
184			'array_filter() expects parameter 1 to be array',
185			'preg_match() expects parameter 2 to be string',
186			'strlen() expects parameter 1 to be string',
187			'count_chars() expects parameter 1 to be string',
188			'mb_strlen() expects parameter 1 to be string',
189			'trim() expects parameter 1 to be string',
190			'get_class() expects parameter 1 to be object',
191			'get_resource_type() expects parameter 1 to be resource',
192			);
193
194			$replace = array(
195			'array_key_exists() expects parameter 2 to be array, <em>null/boolean/integer/double/string/object/resource</em> given',
196			'key() expects parameter 1 to be array, <em>null/boolean/integer/double/string/object/resource</em> given',
197			'current() expects parameter 1 to be array, <em>null/boolean/integer/double/string/object/resource</em> given',
198			'array_filter() expects parameter 1 to be array, <em>null/boolean/integer/double/string/object/resource</em> given',
199			'preg_match() expects parameter 2 to be string, <em>array/object/resource</em> given',
200			'strlen() expects parameter 1 to be string, <em>array/object/resource</em> given',
201			'count_chars() expects parameter 1 to be string, <em>array/object/resource</em> given',
202			'mb_strlen() expects parameter 1 to be string, <em>array/object/resource</em> given',
203			'trim() expects parameter 1 to be string, <em>array/object/resource</em> given',
204			'get_class() expects parameter 1 to be object, <em>boolean/integer/double/string/array/resource</em> given',
205			'get_resource_type() expects parameter 1 to be resource, <em>null/boolean/integer/double/string/array/object</em> given',
206			);
207
208			// Group some more messages and make error message links work.
209			$preg_search = array(
210			'`^(bc(?:add\|sub\|mul\|div\|mod\|comp)\|str(?:case\|natcase\|nat)?cmp\|strcoll\|similar_text\|levenshtein)\(\) expects parameter ([12]) to be string, (?:array\|object\|resource) given$`',
211			'`^fmod\(\) expects parameter ([12]) to be (double\|float), (?:string\|array\|object\|resource) given$`',
212			'`^(is_(?:nan\|(?:in)?finite))\(\) expects parameter ([12]) to be (double\|float), (?:string\|array\|object\|resource) given$`',
213			'`^Object of class [A-Za-z]+ could not be converted to (int\|double\|float\|string\|number)$`',
214			'`^Object of class [A-Za-z]+ to string conversion$`',
215			'`^Cannot use object of type [A-Za-z]+ as array$`',
216			'`<a href=(["\'])function\.`',
217			'`^intdiv\(\) expects parameter ([12]) to be int(eger)?, (?:float\|string\|array\|object\|resource) given$`',
218			);
219			$preg_replace = array(
220			'$1() expects parameter $2 to be string, <em>array/object/resource</em> given',
221			'fmod() expects parameter $1 to be $2, <em>string/array/object/resource</em> given',
222			'$1() expects parameter $2 to be $3, <em>string/array/object/resource</em> given',
223			'Object of class <em>stdClass/TestObject/TestObjectToString</em> could not be converted to $1',
224			'Object of class <em>stdClass/TestObject/TestObjectToString</em> to string conversion',
225			'Cannot use object of type <em>stdClass/TestObject/TestObjectToString</em> as array',
226			'<a href=$1https://php.net/function.',
227			'intdiv() expects parameter $1 to be int$2, <em>float/string/array/object/resource</em> given',
228			);
229
230			foreach ( $search as $k => $s ) {
231			if ( strpos( $error_str, $s ) === 0 ) {
232			$error_str = $replace[ $k ];
233			break;
234			}
235			}
236			$error_str = preg_replace( $preg_search, $preg_replace, $error_str );
237
238
239			$message = '<span class="' . $class . '">' . $type . '</span>: ' . $error_str;
240
241			if ( isset( $GLOBALS['encountered_errors'] ) ) {
242			// Ignore strict warnings (can't avoid having them if I want to keep this sheet working with PHP4).
243			if ( $error_no !== E_STRICT ) {
244			$key = get_error_key( $message );
245
246			if ( $class === 'notice' \|\| $class === 'warning' ) {
247			$GLOBALS['has_error'][]['msg'] = ' ( <span class="' . $class . '"><a href="#' . $GLOBALS['test'] . '-errors">#' . ( $key + 1 ) . '</a></span> )';
248			return;
249			}
250			else if ( $class === 'error' ) {
251			$GLOBALS['has_error'][]['msg'] = ' <span class="error">' . $type . ' ( <a href="#' . $GLOBALS['test'] . '-errors">#' . ( $key + 1 ) . '</a> )</span>';
252			return;
253			}
254			else {
255			echo $message, ' in ', $error_file, ' on line ', $error_line, "<br />\n";
256			}
257			}
258			else {
259			return;
260			}
261			}
262			else {
263			if ( $error_no !== E_STRICT ) {
264			echo $message, ' in ', $error_file, ' on line ', $error_line, "<br />\n";
265			}
266			else {
267			return;
268			}
269			}
270
271			return false; // Make sure it plays nice with other error handlers (remove if no other error handlers are set).
272			}
273
274
275			/**
276			* Get the index key for an error message and add the error message to the global array if it doesn't exist yet.
277			*
278			* @param string $message
279			*
280			* @return int
281			*/
282			function get_error_key( $message ) {
283			$key = array_search( $message, $GLOBALS['encountered_errors'], true );
284			if ( $key === false ) {
285			$GLOBALS['encountered_errors'][] = $message;
286			$key = array_search( $message, $GLOBALS['encountered_errors'], true );
287			}
288			return $key;
289			}
290
291
292			/**
293			* Determine the base url to use.
294			*
295			* @return string
296			*/
297			function determine_base_uri() {
298			$valid_hosts = array(
299			'phpcheatsheets.com',
300			'phpcheatsheet.com',
301			'phpcheatsheets.localdev',
302			'localhost',
303			);
304
305			$base_uri = 'https://phpcheatsheets.com/';
306
307			if ( isset( $_SERVER['HTTP_HOST'] ) && in_array( $_SERVER['HTTP_HOST'], $valid_hosts, true ) ) {
308			$base_uri = 'https://' . $_SERVER['HTTP_HOST'] . determine_script_path();
309			}
310			else if ( isset( $_SERVER['SERVER_NAME'] ) && in_array( $_SERVER['SERVER_NAME'], $valid_hosts, true ) ) {
311			$base_uri = 'https://' . $_SERVER['SERVER_NAME'] . determine_script_path();
312			}
313
314			return $base_uri;
315			}
316
317
318			/**
319			* Determine the script path part of the base url.
320			*
321			* @return string
322			*/
323			function determine_script_path() {
324			if ( ! empty( $_SERVER['SCRIPT_NAME'] ) && stripos( $_SERVER['SCRIPT_NAME'], 'index.php' ) !== false ) {
325			return substr( $_SERVER['SCRIPT_NAME'], 0, stripos( $_SERVER['SCRIPT_NAME'], 'index.php' ) );
326			}
327			else if ( ! empty( $_SERVER['REQUEST_URI'] ) && stripos( $_SERVER['REQUEST_URI'], 'index.php' ) !== false ) {
328			return substr( $_SERVER['REQUEST_URI'], 0, stripos( $_SERVER['REQUEST_URI'], 'index.php' ) );
329			}
330			else {
331			return '/';
332			}
333			}
334
335
336			/**
337			* PHP4 compat.
338			*/
339			if ( ! function_exists( 'stripos' ) ) {
340			/**
341			* Make an equivalent to the PHP5 stripos() function available in PHP4.
342			*
343			* @param string $haystack
344			* @param string $needle
345			*
346			* @return int\|false
347			*/
348			function stripos( $haystack, $needle ) {
349			$haystack = strtolower( $haystack );
350			$needle = strtolower( $needle );
351			return strpos( $haystack, $needle );
352			}
353			}
354
355
356			/**
357			* Generate dropdown list of available static versions.
358			*
359			* @return string
360			*/
361			function generate_version_dropdown() {
362
363			$available = glob( APP_DIR . '/static_results/' . $GLOBALS['type'] . '/php*.html' );
364			usort( $available, 'version_compare' );
365			$available = array_reverse( $available );
366
367			$optgroup = 100;
368			$options = array();
369
370			$options_html = '';
371			$optgroup_html_pattern = '
372			<optgroup label="PHP %1$s">%2$s' . "\n\t\t\t\t\t</optgroup>";
373
374			$regex = sprintf(
375			'`^%1$s/static_results/%2$s/php(([457]\.[0-9]+)\.[0-9-]+(?:(?:alpha\|beta\|RC)(?:[0-9])?)?)\.html$`',
376			preg_quote( APP_DIR, '`' ),
377			preg_quote( $GLOBALS['type'], '`' )
378			);
379
380			foreach ( $available as $file ) {
381			if ( preg_match( $regex, $file, $match ) ) {
382			if ( $options !== array() && ( version_compare( $optgroup, $match[2], '>' ) && $optgroup !== 100 ) ) {
383			$options_html .= sprintf( $optgroup_html_pattern, $optgroup, implode( "\n", $options ) );
384			$options = array();
385			}
386			$optgroup = $match[2];
387
388
389			$selected = '';
390			if ( ( isset( $GLOBALS['autogen'] ) && $GLOBALS['autogen'] === true ) && $match[1] === PHP_VERSION ) {
391			$selected = ' selected="selected"';
392			}
393			$options[] = sprintf(
394			'
395			<option value="php%1$s"%2$s>PHP %1$s</option>',
396			htmlspecialchars( $match[1], ENT_QUOTES, 'UTF-8' ),
397			$selected
398			);
399			}
400			}
401			// Add last group.
402			if ( $options !== array() ) {
403			$options_html .= sprintf( $optgroup_html_pattern, $optgroup, implode( "\n", $options ) );
404			}
405
406			$dropdown = sprintf(
407			'
408			<form action="%6$sindex.php" method="get" id="choose-version">
409			<input type="hidden" name="page" value="%1$s" />
410			<input type="hidden" id="phpv-tab" name="tab" value="%2$s" />
411			<select id="phpversion-dropdown" name="phpversion">
412			<optgroup label="Live">
413			<option value="live" %3$s >PHP %4$s</option>
414			</optgroup>
415			%5$s
416			</select>
417			</form>',
418			htmlspecialchars( $GLOBALS['type'], ENT_QUOTES, 'UTF-8' ),
419			htmlspecialchars( $GLOBALS['tab'], ENT_QUOTES, 'UTF-8' ),
420			( ( ! isset( $GLOBALS['autogen'] ) \|\| $GLOBALS['autogen'] !== true ) ? ' selected="selected"' : '' ),
421			htmlspecialchars( PHP_VERSION, ENT_QUOTES, 'UTF-8' ),
422			$options_html,
423			htmlspecialchars( BASE_URI, ENT_QUOTES, 'UTF-8' )
424			);
425
426			return $dropdown;
427			}
428

jrfnl / PHP-cheat-sheet-extended

functions.php ➔ do_handle_errors() F last analyzed 2019-08-03 12:15 UTC

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functions.php ➔ do_handle_errors() F
last analyzed 2019-08-03 12:15 UTC