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run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); define('FOO', 1); var_dump(FOO); define('FOO', 2); var_dump(FOO); define('BAR', 1, true); var_dump(BAR); define('BAR', 2); var_dump(BAR); define('baz', 1, true); var_dump(baz); define('baz', 2); var_dump(baz);
Output for 8.5.0 - 8.5.1
int(1) Warning: Constant FOO already defined, this will be an error in PHP 9 in /in/rAKrH on line 7 int(1) Warning: define(): Argument #3 ($case_insensitive) is ignored since declaration of case-insensitive constants is no longer supported in /in/rAKrH on line 10 int(1) Warning: Constant BAR already defined, this will be an error in PHP 9 in /in/rAKrH on line 12 int(1) Warning: define(): Argument #3 ($case_insensitive) is ignored since declaration of case-insensitive constants is no longer supported in /in/rAKrH on line 15 int(1) Warning: Constant baz already defined, this will be an error in PHP 9 in /in/rAKrH on line 17 int(1)
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14
int(1) Warning: Constant FOO already defined in /in/rAKrH on line 7 int(1) Warning: define(): Argument #3 ($case_insensitive) is ignored since declaration of case-insensitive constants is no longer supported in /in/rAKrH on line 10 int(1) Warning: Constant BAR already defined in /in/rAKrH on line 12 int(1) Warning: define(): Argument #3 ($case_insensitive) is ignored since declaration of case-insensitive constants is no longer supported in /in/rAKrH on line 15 int(1) Warning: Constant baz already defined in /in/rAKrH on line 17 int(1)
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
int(1) Notice: Constant FOO already defined in /in/rAKrH on line 7 int(1) Deprecated: define(): Declaration of case-insensitive constants is deprecated in /in/rAKrH on line 10 int(1) int(2) Deprecated: define(): Declaration of case-insensitive constants is deprecated in /in/rAKrH on line 15 int(1) Notice: Constant baz already defined in /in/rAKrH on line 17 int(1)
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34
int(1) Notice: Constant FOO already defined in /in/rAKrH on line 7 int(1) int(1) int(2) int(1) Notice: Constant baz already defined in /in/rAKrH on line 17 int(1)
preferences:
244.98 ms | 414 KiB | 5 Q