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<?php $words = "systematic,gear,synthesis,mysterious"; $words=explode(",",$words); $your_array = preg_grep('~(?=[^s]*s)(?=[^m]*m)(?=[^e]*e)~', $words);; print_r(strpos($words, array('s', 'e', 'm'))); print_r($your_array);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: strpos(): Argument #1 ($haystack) must be of type string, array given in /in/oPOOE:8 Stack trace: #0 /in/oPOOE(8): strpos(Array, Array) #1 {main} thrown in /in/oPOOE on line 8
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 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: strpos() expects parameter 1 to be string, array given in /in/oPOOE on line 8 Array ( [0] => systematic [3] => mysterious )
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
Notice: Array to string conversion in /in/oPOOE on line 8 Array ( [0] => systematic [3] => mysterious )

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256.74 ms | 402 KiB | 370 Q