3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_replace('/ab/', ['x', 'y'], 'ab');

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)
8.3.70.0070.01416.38
8.3.60.0110.00716.75
8.3.50.0110.00821.21
8.3.40.0120.00318.63
8.3.30.0110.00318.54
8.3.20.0040.00420.22
8.3.10.0040.00420.07
8.3.00.0040.00421.65
8.2.190.0120.00316.63
8.2.180.0030.01718.29
8.2.170.0110.00722.96
8.2.160.0110.00320.15
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0080.00022.13
8.2.120.0070.00026.35
8.2.110.0060.00319.21
8.2.100.0000.01217.91
8.2.90.0000.00819.05
8.2.80.0080.00017.97
8.2.70.0050.00317.50
8.2.60.0050.00517.55
8.2.50.0060.00318.10
8.2.40.0070.00020.41
8.2.30.0040.00419.16
8.2.20.0000.00717.91
8.2.10.0000.00718.03
8.2.00.0070.00018.25
8.1.280.0100.01025.92
8.1.270.0040.00423.91
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.98
8.1.230.0040.00717.76
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.10
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0040.00418.47
8.1.160.0000.00718.67
8.1.150.0000.00720.30
8.1.140.0040.00419.45
8.1.130.0070.00018.95
8.1.120.0030.00517.36
8.1.110.0050.00317.34
8.1.100.0030.00517.35
8.1.90.0060.00317.33
8.1.80.0000.00717.36
8.1.70.0000.00717.34
8.1.60.0000.00817.48
8.1.50.0000.00717.46
8.1.40.0030.00617.46
8.1.30.0040.00417.43
8.1.20.0030.00517.48
8.1.10.0050.00317.41
8.1.00.0060.00317.46
8.0.300.0030.00618.77
8.0.290.0040.00416.63
8.0.280.0070.00018.45
8.0.270.0000.00817.06
8.0.260.0030.00517.16
8.0.250.0030.00316.83
8.0.240.0080.00016.83
8.0.230.0030.00616.92
8.0.220.0070.00016.86
8.0.210.0000.00716.89
8.0.200.0000.00616.95
8.0.190.0050.00216.94
8.0.180.0070.00016.91
8.0.170.0070.00016.89
8.0.160.0060.00316.93
8.0.150.0000.00716.84
8.0.140.0000.00716.76
8.0.130.0030.00513.25
8.0.120.0000.00716.83
8.0.110.0030.00616.77
8.0.100.0070.00016.83
8.0.90.0030.00416.77
8.0.80.0090.00916.89
8.0.70.0000.00716.93
8.0.60.0040.00416.78
8.0.50.0080.00016.94
8.0.30.0150.00517.02
8.0.20.0080.01317.40
8.0.10.0000.00716.84
8.0.00.0150.00316.52
7.4.330.0000.00515.55
7.4.320.0060.00016.35
7.4.300.0000.00616.36
7.4.290.0080.00016.40
7.4.280.0050.00316.45
7.4.270.0000.00616.38
7.4.260.0000.00716.43
7.4.250.0080.00016.34
7.4.240.0070.00016.45
7.4.230.0070.00016.55
7.4.220.0100.00716.52
7.4.210.0070.01416.48
7.4.200.0070.00016.11
7.4.160.0060.01016.17
7.4.150.0190.01617.40
7.4.140.0080.01217.86
7.4.130.0080.01516.30
7.4.120.0110.00816.40
7.4.110.0070.01016.36
7.4.100.0130.01016.33
7.4.90.0040.01316.42
7.4.80.0080.00819.39
7.4.70.0060.01616.46
7.4.60.0050.01116.43
7.4.50.0060.00916.46
7.4.40.0030.01316.33
7.4.30.0080.00816.44
7.4.00.0080.00415.00
7.3.330.0000.00513.16
7.3.320.0020.00213.05
7.3.310.0070.00016.15
7.3.300.0030.00316.18
7.3.290.0090.00716.16
7.3.280.0060.01216.20
7.3.270.0180.00517.40
7.3.260.0080.01216.22
7.3.250.0110.00816.19
7.3.240.0090.01116.34
7.3.230.0070.01016.39
7.3.210.0060.01016.34
7.3.200.0080.01616.41
7.3.190.0060.01016.21
7.3.180.0060.01016.09
7.3.170.0080.00816.34
7.3.160.0120.00316.20
7.2.330.0140.00316.25
7.2.320.0060.01316.35
7.2.310.0070.01016.45
7.2.300.0090.00916.52
7.2.290.0060.01016.22
7.2.60.0000.01216.43
7.2.00.0060.00919.32
7.1.200.0030.00915.52
7.1.100.0040.00818.11
7.1.70.0030.00716.94
7.1.60.0030.00917.19
7.1.50.0110.01416.76
7.1.30.4430.05736.30
7.1.20.4000.06336.49
7.1.10.4800.08720.37
7.1.00.3470.07320.64
7.0.200.0060.00616.51
7.0.170.5200.06319.97
7.0.160.4870.07020.14
7.0.150.3170.06320.07
7.0.140.2900.05719.98
7.0.130.4200.06320.00
7.0.120.2700.06320.01
7.0.110.4030.06019.92
7.0.100.3930.05720.13
7.0.90.4770.06320.02
7.0.80.0230.07020.03
7.0.70.5130.05320.15
7.0.60.0130.06020.16
7.0.50.0130.06019.98
7.0.40.0130.05720.05
7.0.31.0030.05019.97
7.0.20.0070.06320.02
7.0.10.0200.04320.16
7.0.00.0200.06319.88

preferences:
56.11 ms | 401 KiB | 5 Q