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<?php class Color { public function __construct(public string $name) {} } $white = new Color("white"); $blue = new Color("blue"); foreach([ 'white == blue' => $white == $blue, 'white === blue' => $white === $blue, 'white == white' => $white == new Color("white"), 'white === white' => $white === new Color("white"), ] as $m => $v) { $v = $v ? "true" : "false"; echo "$m: $v\n"; }
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
white == blue: false white === blue: false white == white: true white === white: false
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.

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