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<?php $refundDelays = ['66', 66, '0', 0, '', null]; foreach($refundDelays as $value) { $b = ctype_digit($value); $c = is_int($value) || ctype_digit($value); var_dump($value); var_dump($b); var_dump($c); }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
string(2) "66" bool(true) bool(true) Deprecated: ctype_digit(): Argument of type int will be interpreted as string in the future in /in/0P6DD on line 5 int(66) bool(false) bool(true) string(1) "0" bool(true) bool(true) Deprecated: ctype_digit(): Argument of type int will be interpreted as string in the future in /in/0P6DD on line 5 int(0) bool(false) bool(true) string(0) "" bool(false) bool(false) Deprecated: ctype_digit(): Argument of type null will be interpreted as string in the future in /in/0P6DD on line 5 Deprecated: ctype_digit(): Argument of type null will be interpreted as string in the future in /in/0P6DD on line 6 NULL bool(false) bool(false)
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 string(2) "66" bool(true) bool(true) Deprecated: ctype_digit(): Argument of type int will be interpreted as string in the future in /in/0P6DD on line 5 int(66) bool(false) bool(true) string(1) "0" bool(true) bool(true) Deprecated: ctype_digit(): Argument of type int will be interpreted as string in the future in /in/0P6DD on line 5 int(0) bool(false) bool(true) string(0) "" bool(false) bool(false) Deprecated: ctype_digit(): Argument of type null will be interpreted as string in the future in /in/0P6DD on line 5 Deprecated: ctype_digit(): Argument of type null will be interpreted as string in the future in /in/0P6DD on line 6 NULL bool(false) bool(false)
Output for 5.6.0 - 5.6.23, 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, 8.0.0 - 8.0.30
string(2) "66" bool(true) bool(true) int(66) bool(false) bool(true) string(1) "0" bool(true) bool(true) int(0) bool(false) bool(true) string(0) "" bool(false) bool(false) NULL bool(false) bool(false)

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