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/iu', '/â/iu', '/ä/iu', '/æ/iu'], ['1', '2', '3', '4'], 'àÀ â äÄ æÆ') . PHP_EOL; // Result: à1 â2 ä3 æ4 // Expect: 11 22 33 44 echo preg_replace(['/À/iu', '/Â/iu', '/Ä/iu', '/Æ/iu'], ['1', '2', '3', '4'], 'àÀ â äÄ æÆ') . PHP_EOL; // Russian // Result: 1Ё 2Й // Expect: 11 22 echo preg_replace(['/ё/iu', '/й/iu'], ['1', '2'], 'ёЁ йЙ') . PHP_EOL; // Result: ё1 й2 // Expect: 11 22 echo preg_replace(['/Ё/iu', '/Й/iu'], ['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)
8.3.60.0120.00618.80
8.3.50.0000.01516.74
8.3.40.0040.01118.75
8.3.30.0110.00418.83
8.3.20.0040.00424.18
8.3.10.0050.00224.66
8.3.00.0080.00026.16
8.2.180.0060.00925.92
8.2.170.0060.01219.10
8.2.160.0040.01122.96
8.2.150.0050.00225.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00026.35
8.2.110.0040.00720.38
8.2.100.0000.01118.16
8.2.90.0070.00417.88
8.2.80.0080.00017.97
8.2.70.0040.00717.75
8.2.60.0040.00417.63
8.2.50.0050.00317.74
8.2.40.0000.00819.45
8.2.30.0000.00717.96
8.2.20.0040.00418.08
8.2.10.0000.00719.31
8.2.00.0040.00419.16
8.1.280.0040.01125.92
8.1.270.0050.00323.99
8.1.260.0050.00328.09
8.1.250.0040.00428.09
8.1.240.0030.00623.84
8.1.230.0070.00419.08
8.1.220.0000.00917.75
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00817.36
8.1.180.0030.00518.10
8.1.170.0040.00418.88
8.1.160.0040.00418.85
8.1.150.0000.00718.82
8.1.140.0040.00420.28
8.1.130.0030.00317.59
8.1.120.0000.00817.55
8.1.110.0060.00317.42
8.1.100.0040.00417.57
8.1.90.0000.00817.43
8.1.80.0000.00817.50
8.1.70.0040.00417.54
8.1.60.0040.00417.68
8.1.50.0030.00517.59
8.1.40.0040.00417.61
8.1.30.0050.00517.79
8.1.20.0000.00817.57
8.1.10.0000.00817.62
8.1.00.0080.00017.55
8.0.300.0040.00419.77
8.0.290.0030.00616.88
8.0.280.0000.00718.36
8.0.270.0030.00418.06
8.0.260.0000.00716.88
8.0.250.0030.00317.19
8.0.240.0040.00417.15
8.0.230.0030.00317.06
8.0.220.0030.00616.99
8.0.210.0020.00517.13
8.0.200.0060.00017.07
8.0.190.0000.00817.18
8.0.180.0040.00417.15
8.0.170.0060.00317.18
8.0.160.0000.00817.11
8.0.150.0040.00416.90
8.0.140.0070.00016.88
8.0.130.0060.00013.53
8.0.120.0080.00017.09
8.0.110.0040.00416.96
8.0.100.0040.00417.00
8.0.90.0000.00716.88
8.0.80.0080.00917.01
8.0.70.0000.00816.97
8.0.60.0000.00817.00
8.0.50.0040.00417.02
8.0.30.0120.00817.21
8.0.20.0100.00817.26
8.0.10.0030.00517.11
8.0.00.0070.01117.06
7.4.330.0020.00215.55
7.4.320.0060.00016.64
7.4.300.0050.00216.75
7.4.290.0040.00416.59
7.4.280.0060.00316.61
7.4.270.0060.00316.77
7.4.260.0060.00013.38
7.4.250.0000.00716.59
7.4.240.0040.00416.77
7.4.230.0030.00316.85
7.4.220.0000.00716.60
7.4.210.0030.01216.74
7.4.200.0000.00716.77
7.4.130.0120.01216.62
7.4.120.0170.00016.72
7.4.110.0030.01516.78
7.4.100.0160.00616.61
7.4.90.0160.00816.80
7.4.80.0140.00816.50
7.4.70.0110.00916.69
7.4.60.0110.01116.70
7.4.50.0190.01116.57
7.4.40.0200.01316.60
7.4.30.0170.01716.66
7.4.20.0260.00316.52
7.4.10.0240.00316.63
7.4.00.0080.01116.49
7.3.330.0000.00716.41
7.3.320.0000.00913.24
7.3.310.0030.00316.25
7.3.300.0050.00316.41
7.3.290.0050.01116.43
7.3.260.0070.01116.45
7.3.230.0150.00316.41
7.3.210.0180.00516.73
7.3.200.0160.00916.39
7.3.190.0180.00316.38
7.3.180.0090.01216.58
7.3.170.0200.01116.58
7.3.160.0310.00616.61
7.3.150.0260.00816.35
7.3.140.0230.00016.51
7.3.130.0070.01516.54
7.3.120.0150.00716.50
7.3.110.0180.00416.20
7.3.100.0160.00616.71
7.3.90.0120.00916.41
7.3.80.0200.00016.50
7.3.70.0150.00516.45
7.3.60.0100.01316.49
7.3.50.0210.00016.54
7.3.40.0080.01216.46
7.3.30.0140.00516.34
7.3.20.0240.01018.46
7.3.10.0190.01218.29
7.3.00.0130.01018.16
7.2.330.0090.01316.62
7.2.320.0070.02016.61
7.2.310.0160.00616.76
7.2.300.0250.00716.63
7.2.290.0190.01616.61
7.2.280.0220.01116.93
7.2.270.0160.01616.82
7.2.260.0080.01216.63
7.2.250.0080.01416.52
7.2.240.0120.01216.79
7.2.230.0060.01516.56
7.2.220.0070.01416.69
7.2.210.0090.01316.65
7.2.200.0130.00916.54
7.2.190.0150.00616.73
7.2.180.0190.00416.53
7.2.170.0200.00016.55
7.2.160.0100.01016.63
7.2.150.0220.01018.38
7.2.140.0170.00918.42
7.2.130.0100.01318.53
7.2.120.0200.00418.29
7.2.110.0030.02018.55
7.2.100.0080.01418.64
7.2.90.0140.00718.26
7.2.80.0170.00718.44
7.2.70.0130.00918.43
7.2.60.0130.01318.57
7.2.50.0170.01318.56
7.2.40.0200.00918.56
7.2.30.0170.00718.47
7.2.20.0170.00818.45
7.2.10.0160.00618.50
7.2.00.0200.00518.09

preferences:
67.41 ms | 401 KiB | 5 Q