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

Completed

Pull Request — master (#26)

by Juliette

created 2016-07-08 22:31 UTC

functions.php ➔ do_handle_errors() F

↳ Parent: Project

Complexity

Conditions	29
Paths	4609

Size

Total Lines	173
Code Lines	127

Duplication

Lines	0
Ratio	0 %

Importance

Changes	9
Bugs	0	Features	1

Metric	Value
cc	29
eloc	127
c	9
b	0
f	1
nc	4609
nop	4
dl	0
loc	173
rs	2

How to fix Long Method Complexity

<?php
/**
 * Some generic functions and mock objects for test variables.
 *
 * @package PHPCheatsheets
 */

// 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
	 */
	function __toString() {
		return $this->test3;
	}
}


/**
 * 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',
		'intdiv() expects parameter 1 to be integer',
		'intdiv() expects parameter 2 to be integer',
	);

	$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',
		'intdiv() expects parameter 1 to be integer, <em>float/string/array/object/resource</em> given',
		'intdiv() expects parameter 2 to be integer, <em>float/string/array/object/resource</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$`',
		'`^Object of class [A-Za-z]+ could not be converted to (int|double|float|string)$`',
		'`^Object of class [A-Za-z]+ to string conversion$`',
		'`^Cannot use object of type [A-Za-z]+ as array$`',
		'`<a href=(["\'])function\.`',
	);
	$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=$1http://php.net/function.',
	);

	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'] );
	if ( $key === false ) {
		$GLOBALS['encountered_errors'][] = $message;
		$key                             = array_search( $message, $GLOBALS['encountered_errors'] );
	}
	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 = 'http://phpcheatsheets.com/';

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

jrfnl / PHP-cheat-sheet-extended

Pull Request — master (#26)

functions.php ➔ do_handle_errors() F

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