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<?php $s=null; if(is_numeric($s)==1) die("numerico"); echo "strlen=".strlen($s); for($i=0;$i<strlen($s);$i++) if(is_numeric($s[$i])) echo $s[$i]." in posizione $i"; ?>
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/PRg6P on line 5 strlen=0 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/PRg6P on line 6
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/PRg6P on line 5 strlen=0 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/PRg6P on line 6
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
strlen=0
preferences:
214.59 ms | 403 KiB | 292 Q