3v4l.org

run code in 300+ PHP versions simultaneously
<?php // French // Result: 1À 2 3Ä 4Æ // Expect: 11 22 33 44 echo preg_replace(['à', 'â', 'ä', 'æ'], ['1', '2', '3', '4'], 'àÀ â äÄ æÆ') . PHP_EOL; // Result: à1 â2 ä3 æ4 // Expect: 11 22 33 44 echo preg_replace(['À', 'Â', 'Ä', 'Æ'], ['1', '2', '3', '4'], 'àÀ â äÄ æÆ') . PHP_EOL; // Russian // Result: 1Ё 2Й // Expect: 11 22 echo preg_replace(['ё', 'й'], ['1', '2'], 'ёЁ йЙ') . PHP_EOL; // Result: ё1 й2 // Expect: 11 22 echo preg_replace(['Ё', 'Й'], ['1', '2'], 'ёЁ йЙ') . 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)
8.3.60.0140.00418.43
8.3.50.0070.01318.04
8.3.40.0140.00718.72
8.3.30.0080.00618.59
8.3.20.0050.00324.18
8.3.10.0060.00324.66
8.3.00.0070.00426.16
8.2.180.0060.01225.92
8.2.170.0170.00318.84
8.2.160.0070.00722.96
8.2.150.0070.00025.66
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0030.00526.35
8.2.110.0060.00322.25
8.2.100.0110.00018.03
8.2.90.0040.00417.63
8.2.80.0040.00418.67
8.2.70.0000.01017.50
8.2.60.0050.00517.80
8.2.50.0040.00418.05
8.2.40.0050.00319.75
8.2.30.0000.00718.05
8.2.20.0040.00417.90
8.2.10.0000.00719.08
8.2.00.0000.00719.08
8.1.280.0140.00025.92
8.1.270.0000.00823.99
8.1.260.0020.00528.09
8.1.250.0070.01028.09
8.1.240.0100.00019.22
8.1.230.0040.00720.77
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0040.00417.23
8.1.190.0060.00317.23
8.1.180.0030.00618.10
8.1.170.0000.00818.68
8.1.160.0000.00718.80
8.1.150.0040.00418.70
8.1.140.0070.00020.29
8.1.130.0030.00320.22
8.1.120.0030.00617.38
8.1.110.0000.00817.36
8.1.100.0040.00417.42
8.1.90.0040.00417.39
8.1.80.0030.00617.45
8.1.70.0030.00317.26
8.1.60.0000.00817.44
8.1.50.0070.00017.41
8.1.40.0040.00417.35
8.1.30.0030.00617.61
8.1.20.0000.00817.57
8.1.10.0030.00617.46
8.1.00.0080.00017.44
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00818.48
8.0.270.0030.00318.00
8.0.260.0040.00420.18
8.0.250.0030.00316.95
8.0.240.0070.00016.94
8.0.230.0000.00716.85
8.0.220.0040.00416.89
8.0.210.0030.00316.79
8.0.200.0000.00616.82
8.0.190.0040.00416.95
8.0.180.0030.00316.89
8.0.170.0000.00816.78
8.0.160.0000.00716.90
8.0.150.0030.00316.82
8.0.140.0040.00316.72
8.0.130.0030.00313.35
8.0.120.0080.00016.86
8.0.110.0050.00316.73
8.0.100.0050.00216.76
8.0.90.0070.00016.83
8.0.80.0080.00716.86
8.0.70.0040.00416.83
8.0.60.0000.00816.81
8.0.50.0040.00416.85
8.0.30.0100.01016.98
8.0.20.0120.00917.00
8.0.10.0070.00016.94
8.0.00.0060.01216.48
7.4.330.0000.00415.55
7.4.320.0000.00616.41
7.4.300.0000.00716.45
7.4.290.0000.00716.45
7.4.280.0000.00716.20
7.4.270.0000.00716.32
7.4.260.0000.00613.15
7.4.250.0030.00316.30
7.4.240.0000.00716.33
7.4.230.0030.00516.34
7.4.220.0030.00316.16
7.4.210.0050.01216.34
7.4.200.0000.00716.44
7.4.130.0090.00816.58
7.4.120.0100.00616.43
7.4.110.0170.00016.32
7.4.100.0060.01016.52
7.4.90.0060.01116.14
7.4.80.0210.00416.39
7.4.70.0130.01016.26
7.4.60.0140.01016.21
7.4.50.0150.00916.61
7.4.40.0120.00616.38
7.4.30.0130.00516.41
7.4.20.0030.01316.41
7.4.10.0140.00316.14
7.4.00.0060.01216.50
7.3.330.0030.00316.34
7.3.320.0040.00412.97
7.3.310.0070.00016.25
7.3.300.0000.00716.27
7.3.290.0090.00616.27
7.3.260.0120.00816.43
7.3.230.0030.01316.31
7.3.210.0120.00616.62
7.3.200.0060.01016.29
7.3.190.0140.01016.25
7.3.180.0150.00916.64
7.3.170.0120.00616.55
7.3.160.0060.01216.24
7.3.150.0140.00716.30
7.3.140.0030.01316.46
7.3.130.0060.01216.18
7.3.120.0120.00616.34
7.3.110.0080.00816.21
7.3.100.0060.01216.10
7.3.90.0070.01116.18
7.3.80.0080.00816.19
7.3.70.0140.00316.25
7.3.60.0030.01316.15
7.3.50.0000.01616.29
7.3.40.0060.01016.30
7.3.30.0100.00616.35
7.3.20.0190.00918.09
7.3.10.0090.01218.25
7.3.00.0090.00918.03
7.2.330.0100.01016.43
7.2.320.0120.00616.61
7.2.310.0060.01116.23
7.2.300.0090.00916.35
7.2.290.0130.01016.63
7.2.280.0090.00916.61
7.2.270.0060.01116.14
7.2.260.0090.00916.64
7.2.250.0070.01016.69
7.2.240.0060.01116.35
7.2.230.0030.01616.60
7.2.220.0120.00416.61
7.2.210.0000.01716.42
7.2.200.0040.01316.36
7.2.190.0110.00616.50
7.2.180.0070.01016.57
7.2.170.0030.01316.52
7.2.160.0100.01316.32
7.2.150.0170.00318.26
7.2.140.0140.00718.34
7.2.130.0150.00618.18
7.2.120.0130.01318.12
7.2.110.0090.00918.35
7.2.100.0110.00918.16
7.2.90.0120.00818.14
7.2.80.0180.00318.18
7.2.70.0110.01118.24
7.2.60.0180.00618.02
7.2.50.0100.01018.20
7.2.40.0130.00718.49
7.2.30.0220.00018.34
7.2.20.0060.01518.41
7.2.10.0120.00918.27
7.2.00.0150.00617.98

preferences:
40.49 ms | 400 KiB | 5 Q