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run code in 300+ PHP versions simultaneously
<?php $string = "[vc_tab [vc_tab [vc_tab [vc_tab [vc_tab [vc_tab"; $active = 3; $needle = "[vc_tab"; $replace = '[vc_tab active="true"'; if( substr_count( $string, $needle) < $active) { throw new Exception("There aren't enough needles in the string to do this replacement"); } $count = 0; $index = 0; while( $count++ < $active) { $index = strpos( $string, $needle, $index) + strlen( $needle); } echo "Index: ", $index, " ", substr( $string, index);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Index: 23 Fatal error: Uncaught Error: Undefined constant "index" in /in/uuSiB:17 Stack trace: #0 {main} thrown in /in/uuSiB on line 17
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Index: 23 Warning: Use of undefined constant index - assumed 'index' (this will throw an Error in a future version of PHP) in /in/uuSiB on line 17 Warning: substr() expects parameter 2 to be int, string given in /in/uuSiB on line 17
Output for 7.2.0 - 7.2.33
Index: 23 Warning: Use of undefined constant index - assumed 'index' (this will throw an Error in a future version of PHP) in /in/uuSiB on line 17 Warning: substr() expects parameter 2 to be integer, string given in /in/uuSiB on line 17
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25
Index: 23 Notice: Use of undefined constant index - assumed 'index' in /in/uuSiB on line 17 Warning: substr() expects parameter 2 to be integer, string given in /in/uuSiB on line 17
Output for 5.3.28 - 5.3.29, 5.4.18 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Index: 23 Notice: Use of undefined constant index - assumed 'index' in /in/uuSiB on line 17 Warning: substr() expects parameter 2 to be long, string given in /in/uuSiB on line 17
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.17
Index: 23 Notice: Use of undefined constant index - assumed 'index' in /in/90cbc on line 17 Warning: substr() expects parameter 2 to be long, string given in /in/90cbc on line 17
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Index: 23 Notice: Use of undefined constant index - assumed 'index' in /in/90cbc on line 17 [vc_tab [vc_tab [vc_tab [vc_tab [vc_tab [vc_tab
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_NEW in /in/90cbc on line 9
Process exited with code 255.
Output for 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_NEW in /in/90cbc on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/90cbc on line 9
Process exited with code 255.
Output for 4.3.0
Parse error: parse error, unexpected T_NEW in /in/uuSiB on line 9
Process exited with code 255.
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