3v4l.org

run code in 300+ PHP versions simultaneously
<?php $m = "Test"; echo preg_replace('e', '_', $m);

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)
8.3.60.0170.00316.75
8.3.50.0110.00817.39
8.3.40.0100.00618.57
8.3.30.0090.00618.70
8.3.20.0120.00318.75
8.3.10.0000.00820.57
8.3.00.0000.00819.26
8.2.180.0140.00716.75
8.2.170.0040.01122.96
8.2.160.0100.00322.08
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00519.70
8.2.110.0080.00022.07
8.2.100.0040.00817.91
8.2.90.0080.00019.22
8.2.80.0080.00017.97
8.2.70.0050.00517.63
8.2.60.0030.00618.04
8.2.50.0030.00518.07
8.2.40.0060.00318.03
8.2.30.0040.00417.94
8.2.20.0000.00717.65
8.2.10.0030.00619.46
8.2.00.0050.00317.49
8.1.270.0070.00024.66
8.1.260.0030.00526.35
8.1.250.0050.00328.09
8.1.240.0030.00622.47
8.1.230.0110.00021.04
8.1.220.0040.00418.77
8.1.210.0090.00318.97
8.1.200.0060.00317.23
8.1.190.0040.00417.40
8.1.180.0060.00318.10
8.1.170.0030.00618.90
8.1.160.0000.00718.80
8.1.150.0000.00818.55
8.1.140.0080.00017.43
8.1.130.0030.00317.82
8.1.120.0030.00517.33
8.1.110.0030.00317.35
8.1.100.0040.00417.41
8.1.90.0050.00317.41
8.1.80.0000.00717.42
8.1.70.0040.00417.28
8.1.60.0020.00517.58
8.1.50.0020.00517.23
8.1.40.0040.00417.37
8.1.30.0050.00217.56
8.1.20.0000.00917.55
8.1.10.0030.00517.49
8.1.00.0000.00817.27
8.0.300.0070.00019.83
8.0.290.0080.00016.61
8.0.280.0040.00418.36
8.0.270.0030.00317.17
8.0.260.0030.00316.88
8.0.250.0050.00317.06
8.0.240.0040.00416.89
8.0.230.0000.00716.96
8.0.220.0040.00416.88
8.0.210.0080.00016.84
8.0.200.0060.00016.88
8.0.190.0040.00416.86
8.0.180.0050.00316.88
8.0.170.0000.00916.94
8.0.160.0050.00216.91
8.0.150.0040.00416.91
8.0.140.0000.00816.83
8.0.130.0060.00013.35
8.0.120.0000.00816.77
8.0.110.0040.00416.77
8.0.100.0050.00316.83
8.0.90.0050.00316.91
8.0.80.0000.02016.93
8.0.70.0080.00016.95
8.0.60.0000.00716.95
8.0.50.0040.00416.70
8.0.30.0080.01117.04
8.0.20.0130.00817.02
8.0.10.0030.00516.98
8.0.00.0090.00916.70
7.4.330.0050.00012.98
7.4.320.0000.00616.56
7.4.300.0060.00016.53
7.4.290.0070.00016.48
7.4.280.0030.00616.49
7.4.270.0030.00316.46
7.4.260.0060.00013.23
7.4.250.0040.00416.51
7.4.240.0070.00016.31
7.4.230.0030.00316.32
7.4.220.0060.01916.39
7.4.210.0050.00916.51
7.4.200.0000.00816.61
7.4.190.0070.00016.58
7.4.160.0090.00616.57
7.4.150.0070.01016.44
7.4.140.0080.00916.51
7.4.130.0110.01116.57
7.4.120.0080.00816.49
7.4.110.0030.01716.32
7.4.100.0040.01216.44
7.4.90.0110.00716.45
7.4.80.0030.02016.52
7.4.70.0090.01316.39
7.4.60.0140.00416.54
7.4.50.0080.00016.55
7.4.40.0050.00516.56
7.4.30.0070.00716.48
7.4.00.0060.00914.83
7.3.330.0000.00612.96
7.3.320.0030.00313.04
7.3.310.0040.00416.32
7.3.300.0070.00016.05
7.3.290.0090.00616.25
7.3.280.0070.00916.15
7.3.270.0070.01116.32
7.3.260.0090.01016.37
7.3.250.0120.00716.22
7.3.240.0130.00616.43
7.3.230.0120.00416.36
7.3.210.0030.01416.33
7.3.200.0140.00319.39
7.3.190.0160.01016.20
7.3.180.0100.00616.11
7.3.170.0090.00616.43
7.3.160.0060.01016.37
7.3.120.0030.01014.77
7.2.330.0120.00616.49
7.2.320.0110.01116.55
7.2.310.0150.00716.59
7.2.300.0170.00316.55
7.2.290.0070.01016.55
7.2.00.0030.01019.44
7.1.100.0040.00417.99
7.1.70.0040.00417.09
7.1.60.0100.01419.40
7.1.50.0100.01016.62
7.1.00.0030.07722.33
7.0.200.0030.00316.72
7.0.140.0100.07022.04
7.0.120.0030.07022.15
7.0.60.0070.09019.85
7.0.50.0130.06317.80
7.0.40.0130.05020.28
7.0.30.0530.05720.13
7.0.20.0230.09320.16
7.0.10.0070.04320.09
7.0.00.0070.04320.30
5.6.280.0030.07021.09
5.6.210.0230.05720.54
5.6.200.0100.07018.17
5.6.190.0030.06020.41
5.6.180.0370.07720.61
5.6.170.0370.05020.50
5.6.160.0130.07020.41
5.6.150.0070.04718.22
5.6.140.0000.07318.18
5.6.130.0070.08718.13
5.6.120.0130.06021.09
5.6.110.0070.08320.98
5.6.100.0200.06020.99
5.6.90.0100.08021.09
5.6.80.0070.06720.47
5.5.350.0070.04720.45
5.5.340.0030.04317.91
5.5.330.0100.08020.14
5.5.320.0330.07720.32
5.5.310.0300.07020.27
5.5.300.0070.09017.92
5.5.290.0100.04717.99
5.5.280.0000.05720.68
5.5.270.0030.06320.76
5.5.260.0070.06320.83
5.5.250.0030.08320.70
5.5.240.0230.07020.20
5.4.450.0070.08019.25
5.4.440.0070.07319.25
5.4.430.0030.04719.47
5.4.420.0130.07019.50
5.4.410.0100.07319.34
5.4.400.0000.07019.00
5.4.390.0000.07018.81
5.4.380.0070.08019.08
5.4.370.0030.04019.18
5.4.360.0130.06019.01
5.4.350.0130.07019.18
5.4.340.0070.08019.18
5.4.320.0100.03718.79
5.4.310.0030.08718.80
5.4.300.0130.04018.88
5.4.290.0030.08018.79
5.4.280.0070.04019.14
5.4.270.0100.07318.91
5.4.260.0030.08018.87
5.4.250.0130.03719.07
5.4.240.0070.06019.16
5.4.230.0230.03319.17
5.4.220.0070.03719.14
5.4.210.0070.03319.07
5.4.200.0030.04319.09
5.4.190.0000.04719.07
5.4.180.0070.03718.77
5.4.170.0030.03718.80
5.4.160.0100.03019.05
5.4.150.0070.03719.12
5.4.140.0070.03316.29
5.4.130.0030.03716.25
5.4.120.0000.03716.23
5.4.110.0030.05016.30
5.4.100.0030.03316.36
5.4.90.0000.03716.41
5.4.80.0030.03716.22
5.4.70.0070.03016.27
5.4.60.0070.03016.38
5.4.50.0030.03316.35
5.4.40.0030.03716.32
5.4.30.0000.04316.38
5.4.20.0030.03316.33
5.4.10.0030.03316.12
5.4.00.0000.03715.70
5.3.290.0030.08014.55
5.3.280.0100.07014.51
5.3.270.0070.03314.61
5.3.260.0100.03714.57
5.3.250.0030.03714.54
5.3.240.0030.03714.55
5.3.230.0100.03014.56
5.3.220.0030.03714.45
5.3.210.0000.04014.38
5.3.200.0000.04314.44
5.3.190.0000.04014.57
5.3.180.0030.03314.45
5.3.170.0070.03714.46
5.3.160.0000.04014.52
5.3.150.0100.03014.57
5.3.140.0030.03314.51
5.3.130.0000.04014.47
5.3.120.0070.03314.48
5.3.110.0030.03714.48
5.3.100.0000.04013.96
5.3.90.0070.03313.95
5.3.80.0000.03713.94
5.3.70.0030.03713.85
5.3.60.0000.03713.93
5.3.50.0030.03313.76
5.3.40.0030.03313.92
5.3.30.0030.03313.72
5.3.20.0000.03713.52
5.3.10.0000.05013.59
5.3.00.0070.03313.43
5.2.170.0000.03311.08
5.2.160.0030.02711.30
5.2.150.0070.02711.30
5.2.140.0030.02711.12
5.2.130.0000.03311.25
5.2.120.0030.02711.00
5.2.110.0030.05011.04
5.2.100.0030.04310.99
5.2.90.0100.03011.03
5.2.80.0030.03011.09
5.2.70.0070.02711.08
5.2.60.0070.06011.05
5.2.50.0070.04710.91
5.2.40.0000.06010.88
5.2.30.0070.05710.95
5.2.20.0030.06310.77
5.2.10.0030.06310.85
5.2.00.0030.04710.73
5.1.60.0030.03310.07
5.1.50.0130.0239.89
5.1.40.0030.02710.12
5.1.30.0030.02710.33
5.1.20.0070.02710.39
5.1.10.0030.02710.08
5.1.00.0030.02710.03
5.0.50.0070.0178.60
5.0.40.0030.0278.39
5.0.30.0070.0608.17
5.0.20.0030.0338.14
5.0.10.0000.0208.18
5.0.00.0030.0308.12
4.4.90.0030.0178.01
4.4.80.0000.0178.01
4.4.70.0030.0338.01
4.4.60.0000.0278.01
4.4.50.0070.0208.01
4.4.40.0030.0308.01
4.4.30.0070.0238.01
4.4.20.0000.0178.01
4.4.10.0000.0178.01
4.4.00.0000.0278.01
4.3.110.0030.0238.01
4.3.100.0000.0308.01
4.3.90.0000.0378.01
4.3.80.0000.0578.01
4.3.70.0070.0308.01
4.3.60.0000.0278.01
4.3.50.0000.0408.01
4.3.40.0000.0438.01
4.3.30.0000.0208.01
4.3.20.0000.0208.01
4.3.10.0000.0178.01
4.3.00.0000.0308.01

preferences:
60.34 ms | 400 KiB | 5 Q