3v4l.org

run code in 300+ PHP versions simultaneously
<?php function maybe_change_user_language( $selected_lang, $user_lang ) { if ( $selected_lang !== $user_lang ) { $user_lang = $selected_lang; } return $user_lang; } // Tests - Scroll to the bottom for results. function test_respect_user_language_preference( $expected, $site_lang, $user_lang, $selected_lang = 'English' ) { $user_lang = maybe_change_user_language( $selected_lang, $user_lang ); echo 'Expected: ', $expected, PHP_EOL; echo 'Actual: ', $user_lang, PHP_EOL; return 'Result: ' . ( $expected === $user_lang ? 'Pass' : 'Fail' ); } $tests = array( 'defaults with nothing selected' => array( 'expected' => 'English', 'site_lang' => 'English', 'user_lang' => 'English', 'selected_lang' => 'English', ), 'no existing preference and selects Spanish' => array( 'expected' => 'Spanish', 'site_lang' => 'English', 'user_lang' => 'English', 'selected_lang' => 'Spanish', ), 'already prefers Spanish and selects Spanish' => array( 'expected' => 'Spanish', 'site_lang' => 'English', 'user_lang' => 'Spanish', 'selected_lang' => 'Spanish', ), 'already prefers Spanish and selects nothing' => array( 'expected' => 'Spanish', 'site_language' => 'English', 'user_lang' => 'Spanish', 'selected_lang' => 'English', ), ); foreach ( $tests as $test => $args ) { $sep = str_pad( '', strlen( $test ), '=' ); echo $sep, PHP_EOL, $test, PHP_EOL, $sep, PHP_EOL; echo test_respect_user_language_preference( ...array_values( $args ) ), PHP_EOL, PHP_EOL; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.5.00.0100.01219.86
8.4.150.0030.00014.05
8.4.140.0140.00717.59
8.4.130.0110.01018.70
8.4.120.0100.01023.86
8.4.110.0100.01118.82
8.4.100.0110.01018.79
8.4.90.0060.00620.63
8.4.80.0110.00920.41
8.4.70.0100.00618.95
8.4.60.0090.01020.84
8.4.50.0100.00518.61
8.4.40.0130.00717.75
8.4.30.0090.00020.23
8.4.20.0100.01019.68
8.4.10.0060.00317.55
8.3.280.0100.01118.30
8.3.270.0140.00816.49
8.3.260.0160.00416.64
8.3.250.0130.00619.04
8.3.240.0100.00917.22
8.3.230.0110.00716.43
8.3.220.0100.00818.88
8.3.210.0090.01016.39
8.3.200.0060.00316.34
8.3.190.0080.01016.99
8.3.180.0120.00718.64
8.3.170.0090.00017.11
8.3.160.0110.00716.80
8.3.150.0140.00419.12
8.3.140.0060.00318.79
8.3.130.0050.00318.47
8.3.120.0060.00320.84
8.3.110.0070.01018.30
8.3.100.0040.00418.59
8.3.90.0080.00026.77
8.3.80.0060.00318.40
8.3.70.0070.00716.58
8.3.60.0150.00016.50
8.3.50.0130.00320.09
8.3.40.0090.00620.33
8.3.30.0120.00318.57
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0080.00026.16
8.2.290.0060.00220.44
8.2.280.0090.01020.84
8.2.270.0140.00417.09
8.2.260.0040.00419.16
8.2.250.0210.00016.56
8.2.240.0030.00617.29
8.2.230.0090.00020.94
8.2.220.0130.00724.06
8.2.210.0000.00826.77
8.2.200.0060.00316.75
8.2.190.0120.00616.58
8.2.180.0100.01325.92
8.2.170.0100.01018.96
8.2.160.0180.00022.96
8.2.150.0000.00825.66
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0080.00026.16
8.2.110.0000.01020.93
8.2.100.0040.00818.16
8.2.90.0000.00819.25
8.2.80.0040.00417.97
8.2.70.0000.00917.25
8.2.60.0000.00817.50
8.2.50.0040.00418.04
8.2.40.0000.00917.62
8.2.30.0000.00718.07
8.2.20.0070.00020.54
8.2.10.0040.00417.65
8.2.00.0050.00319.43
8.1.330.0150.01021.75
8.1.320.0120.00721.90
8.1.310.0070.00316.97
8.1.300.0030.00616.16
8.1.290.0090.00030.84
8.1.280.0090.00625.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0090.00023.97
8.1.230.0070.00420.57
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0050.00517.48
8.1.190.0040.00417.66
8.1.180.0040.00418.10
8.1.170.0080.00017.62
8.1.160.0000.00718.84
8.1.150.0030.00618.54
8.1.140.0060.00317.38
8.1.130.0000.00718.77
8.1.120.0000.00717.37
8.1.110.0030.00517.55
8.1.100.0040.00417.51
8.1.90.0040.00317.43
8.1.80.0060.00317.48
8.1.70.0000.00717.41
8.1.60.0040.00417.60
8.1.50.0030.00617.55
8.1.40.0000.01417.47
8.1.30.0000.00817.61
8.1.20.0060.00317.63
8.1.10.0170.00017.36
8.1.00.0080.00517.38
8.0.300.0040.00418.77
8.0.290.0050.00316.75
8.0.280.0040.00418.48
8.0.270.0030.00316.96
8.0.260.0030.00318.47
8.0.250.0070.00016.94
8.0.240.0000.00716.85
8.0.230.0040.00416.99
8.0.220.0030.00316.93
8.0.210.0070.00016.80
8.0.200.0040.00416.85
8.0.190.0000.00716.97
8.0.180.0040.00416.95
8.0.170.0040.00416.82
8.0.160.0030.00616.92
8.0.150.0040.00416.79
8.0.140.0080.00816.80
8.0.130.0060.00916.90
8.0.120.0070.00716.71
8.0.110.0090.00516.82
8.0.100.0100.00516.70
8.0.90.0140.00016.78
8.0.80.0030.01016.83
8.0.70.0060.00816.87
8.0.60.0120.00316.68
8.0.50.0060.00816.78
8.0.30.0130.00516.84
8.0.20.0050.01016.91
8.0.10.0110.00016.95
7.4.330.0000.00515.55
7.4.320.0000.00616.59
7.4.300.0000.00716.55
7.4.290.0040.00416.59
7.4.280.0070.00016.52
7.4.270.0080.00816.43
7.4.260.0080.00516.44
7.4.250.0080.00916.48
7.4.240.0100.00216.42
7.4.230.0110.00416.36
7.4.220.0040.01416.34
7.4.210.0150.00316.39
7.4.200.0110.00916.32
7.4.190.0090.00516.54
7.4.180.0060.01216.57
7.4.160.0120.00416.48
7.4.150.0230.00016.50
7.4.140.0170.00516.27
7.4.130.0150.00616.46
7.4.120.0230.00016.44
7.4.110.0170.00316.41
7.4.100.0180.00416.53
7.4.90.0170.00516.30
7.4.80.0080.01316.27
7.4.70.0170.00416.31
7.4.60.0160.00716.47
7.4.50.0110.01116.18
7.4.40.0180.00316.29
7.4.30.0200.00016.29
7.4.20.0140.00716.47
7.4.10.0160.00516.29
7.4.00.0120.00916.37

preferences:
42.03 ms | 403 KiB | 5 Q