3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_replace( regex: '/{[\w_]+}/', replace: 'a', subject: 'a b / c', limit: 1 ));

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)
8.5.30.0090.00817.36
8.5.20.0110.00721.97
8.5.10.0110.00816.63
8.5.00.0140.00820.05
8.4.180.0130.00919.78
8.4.170.0130.00923.79
8.4.160.0110.01123.88
8.4.150.0070.00516.94
8.4.140.0140.01217.38
8.4.130.0050.00517.69
8.4.120.0120.00622.45
8.4.110.0110.00922.34
8.4.100.0120.00817.61
8.4.90.0120.00820.59
8.4.80.0120.00919.57
8.4.70.0140.00717.95
8.4.60.0100.01020.61
8.4.50.0130.00720.20
8.4.40.0130.00717.57
8.4.30.0040.00420.31
8.4.20.0060.00320.01
8.4.10.0030.00520.86
8.3.300.0130.00720.80
8.3.290.0120.00918.32
8.3.280.0120.00820.29
8.3.270.0150.00716.55
8.3.260.0120.01016.73
8.3.250.0120.00718.75
8.3.240.0050.00416.74
8.3.230.0130.00616.51
8.3.220.0120.00618.91
8.3.210.0100.00320.77
8.3.200.0060.00316.75
8.3.190.0100.01116.91
8.3.180.0090.00616.87
8.3.170.0050.00316.96
8.3.160.0030.01420.38
8.3.150.0060.00918.98
8.3.140.0040.00417.18
8.3.130.0000.00818.46
8.3.120.0070.00320.65
8.3.110.0060.00320.94
8.3.100.0060.00316.63
8.3.90.0070.00726.77
8.3.80.0080.00017.97
8.3.70.0000.01516.88
8.3.60.0070.01016.50
8.3.50.0150.00523.59
8.3.40.0140.00021.78
8.3.30.0110.00418.63
8.3.20.0030.00524.18
8.3.10.0080.00024.66
8.3.00.0050.00326.16
8.2.300.0110.01318.20
8.2.290.0150.00420.40
8.2.280.0100.00818.27
8.2.270.0100.00716.95
8.2.260.0080.00016.49
8.2.250.0110.00718.18
8.2.240.0100.00718.71
8.2.230.0060.00322.58
8.2.220.0060.00324.06
8.2.210.0130.00626.77
8.2.200.0050.00516.50
8.2.190.0140.00416.58
8.2.180.0140.00025.92
8.2.170.0100.01018.79
8.2.160.0070.01022.96
8.2.150.0050.00325.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.70
8.2.110.0060.00320.19
8.2.100.0060.00319.10
8.1.340.0150.00619.89
8.1.330.0110.00822.10
8.1.320.0130.00615.96
8.1.310.0040.00418.31
8.1.300.0150.00319.85
8.1.290.0060.00330.84
8.1.280.0090.00625.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0080.00318.45
8.1.230.0090.00018.72
7.4.110.0090.01116.27
7.4.100.0140.00316.20
7.4.90.0110.00716.48
7.4.80.0070.01116.37
7.4.70.0100.01016.52
7.4.60.0090.00916.43
7.4.50.0110.00716.45
7.4.40.0120.01216.15
7.4.30.0090.00916.12
7.4.20.0110.00716.16
7.4.10.0120.01316.29
7.4.00.0160.01016.27
7.3.230.0150.00316.32
7.3.220.0170.00016.11
7.3.210.0080.00816.21
7.3.200.0100.00716.42
7.3.190.0030.01516.43
7.3.180.0130.00316.16
7.3.170.0140.00316.06
7.3.160.0140.00416.13
7.3.150.0030.01416.13
7.3.140.0100.00716.32
7.3.130.0090.01216.35
7.3.120.0170.00616.13
7.3.110.0090.01416.13
7.3.100.0100.01416.19
7.3.90.0090.01316.18
7.3.80.0060.01216.05
7.3.70.0090.00916.14
7.3.60.0140.00416.05
7.3.50.0140.00316.28
7.3.40.0040.01616.06
7.3.30.0060.01216.14
7.3.20.0080.01616.28
7.3.10.0070.01716.26
7.3.00.0150.00616.11
7.2.340.0060.01316.40
7.2.330.0110.01116.54
7.2.320.0160.00316.41
7.2.310.0090.00916.20
7.2.300.0030.01416.50
7.2.290.0070.01116.04
7.2.280.0110.00716.33
7.2.270.0090.01216.11
7.2.260.0000.02216.10
7.2.250.0090.00916.14
7.2.240.0150.00916.04
7.2.230.0230.00016.31
7.2.220.0120.00616.09
7.2.210.0110.00716.47
7.2.200.0030.02016.40
7.2.190.0130.00616.11
7.2.180.0090.00916.38
7.2.170.0090.00916.26
7.2.160.0140.00616.32
7.2.150.0120.01516.24
7.2.140.0160.00916.24
7.2.130.0100.01016.36
7.2.120.0120.01216.22
7.2.110.0090.01616.43
7.2.100.0130.01016.33
7.2.90.0110.00816.40
7.2.80.0090.00916.28
7.2.70.0090.00916.36
7.2.60.0120.00916.23
7.2.50.0120.00816.15
7.2.40.0040.01616.41
7.2.30.0110.00816.48
7.2.20.0110.01116.29
7.2.10.0070.01416.33
7.2.00.0070.01116.39

preferences:
34.57 ms | 1153 KiB | 5 Q