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<?php $part = stristr('my home is my castle','is',true); $part2 = stristr('my home is my castle','is'); if($pos=stripos($h,$n)) $part3=substr($h,0,$pos); echo "This is my: $part\n"; echo "That is my: $part2\n"; echo "Also, this: $part3\n"; ?>
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $h in /in/M1ZYZ on line 4 Warning: Undefined variable $n in /in/M1ZYZ on line 4 Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/M1ZYZ on line 4 Deprecated: stripos(): Passing null to parameter #2 ($needle) of type string is deprecated in /in/M1ZYZ on line 4 This is my: my home That is my: is my castle Warning: Undefined variable $part3 in /in/M1ZYZ on line 7 Also, this:
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $h in /in/M1ZYZ on line 4 Warning: Undefined variable $n in /in/M1ZYZ on line 4 This is my: my home That is my: is my castle Warning: Undefined variable $part3 in /in/M1ZYZ on line 7 Also, this:
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 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: h in /in/M1ZYZ on line 4 Notice: Undefined variable: n in /in/M1ZYZ on line 4 This is my: my home That is my: is my castle Notice: Undefined variable: part3 in /in/M1ZYZ on line 7 Also, this:
Output for 7.3.32 - 7.3.33, 7.4.26
This is my: my home That is my: is my castle Also, this:
Output for 5.1.5 - 5.1.6, 5.2.0 - 5.2.17
Warning: Wrong parameter count for stristr() in /in/M1ZYZ on line 2 Notice: Undefined variable: h in /in/M1ZYZ on line 4 Notice: Undefined variable: n in /in/M1ZYZ on line 4 This is my: That is my: is my castle Notice: Undefined variable: part3 in /in/M1ZYZ on line 7 Also, this:
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.4
Warning: Wrong parameter count for stristr() in /in/M1ZYZ on line 2 Notice: Undefined variable: h in /in/M1ZYZ on line 4 Notice: Undefined variable: n in /in/M1ZYZ on line 4 Warning: stripos(): needle is not a string or an integer. in /in/M1ZYZ on line 4 This is my: That is my: is my castle Notice: Undefined variable: part3 in /in/M1ZYZ on line 7 Also, this:
Output for 5.0.0 - 5.0.3
Warning: Wrong parameter count for stristr() in /in/M1ZYZ on line 2 Notice: Undefined variable: h in /in/M1ZYZ on line 4 Notice: Undefined variable: n in /in/M1ZYZ on line 4 Warning: stripos(): needle is not a string or an integer. in /in/M1ZYZ on line 4 This is my: That is my: is my castle Notice: Undefined variable: part3 in /in/M1ZYZ on line 7 Also, this:
Output for 4.4.5 - 4.4.9
Warning: Wrong parameter count for stristr() in /in/M1ZYZ on line 2 Fatal error: Call to undefined function: stripos() in /in/M1ZYZ on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Warning: Wrong parameter count for stristr() in /in/M1ZYZ on line 2 Fatal error: Call to undefined function: stripos() in /in/M1ZYZ on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Wrong parameter count for stristr() in /in/M1ZYZ on line 2 Fatal error: Call to undefined function: stripos() in /in/M1ZYZ on line 4

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