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<?php $a = "this is school of sachin"; $pattern = "sch"; $b = explode(' ',$a); $b = array_reverse($b); for($i=0;$i < count($b);$i++){ if(strpos($b[$i]) !== false){ echo $i+1; } } ?>
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
Fatal error: Uncaught ArgumentCountError: strpos() expects at least 2 arguments, 1 given in /in/Ke6BU:7 Stack trace: #0 /in/Ke6BU(7): strpos('sachin') #1 {main} thrown in /in/Ke6BU on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: strpos() expects at least 2 parameters, 1 given in /in/Ke6BU on line 7 1 Warning: strpos() expects at least 2 parameters, 1 given in /in/Ke6BU on line 7 2 Warning: strpos() expects at least 2 parameters, 1 given in /in/Ke6BU on line 7 3 Warning: strpos() expects at least 2 parameters, 1 given in /in/Ke6BU on line 7 4 Warning: strpos() expects at least 2 parameters, 1 given in /in/Ke6BU on line 7 5
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Wrong parameter count for strpos() in /in/Ke6BU on line 7 1 Warning: Wrong parameter count for strpos() in /in/Ke6BU on line 7 2 Warning: Wrong parameter count for strpos() in /in/Ke6BU on line 7 3 Warning: Wrong parameter count for strpos() in /in/Ke6BU on line 7 4 Warning: Wrong parameter count for strpos() in /in/Ke6BU on line 7 5

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