3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr_replace(array("test", "test2"), array("zomg", "zomg2"), 0); echo substr_replace("test", array("zomg", "zomg2"), 0);

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)
8.3.60.0040.01116.63
8.3.50.0110.00722.99
8.3.40.0140.00018.72
8.3.30.0100.00318.91
8.3.20.0040.00420.20
8.3.10.0080.00023.52
8.3.00.0040.00419.26
8.2.180.0090.00918.29
8.2.170.0110.00322.96
8.2.160.0030.01020.47
8.2.150.0080.00024.18
8.2.140.0110.00724.66
8.2.130.0150.00326.16
8.2.120.0040.00420.95
8.2.110.0030.00622.20
8.2.100.0060.00617.91
8.2.90.0040.00419.14
8.2.80.0040.00417.97
8.2.70.0040.00417.46
8.2.60.0040.00417.80
8.2.50.0030.00518.07
8.2.40.0030.00717.95
8.2.30.0060.00317.98
8.2.20.0000.00817.66
8.2.10.0040.00417.79
8.2.00.0040.00417.56
8.1.280.0140.01125.92
8.1.270.0070.00320.61
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00823.78
8.1.230.0070.00419.02
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0100.00017.10
8.1.190.0040.00417.10
8.1.180.0000.00918.10
8.1.170.0040.00418.51
8.1.160.0040.00421.93
8.1.150.0000.00718.79
8.1.140.0050.00317.37
8.1.130.0000.00717.67
8.1.120.0000.00717.37
8.1.110.0000.00817.31
8.1.100.0000.00817.33
8.1.90.0030.00317.32
8.1.80.0050.00217.17
8.1.70.0030.00317.14
8.1.60.0050.00317.45
8.1.50.0040.00417.38
8.1.40.0030.00617.27
8.1.30.0040.00417.33
8.1.20.0080.00017.43
8.1.10.0040.00417.46
8.1.00.0000.00717.37
8.0.300.0070.00018.77
8.0.290.0060.00316.63
8.0.280.0040.00418.28
8.0.270.0000.00717.91
8.0.260.0030.00317.09
8.0.250.0000.00716.85
8.0.240.0000.00616.86
8.0.230.0070.00016.85
8.0.220.0000.00716.81
8.0.210.0030.00316.69
8.0.200.0060.00016.76
8.0.190.0000.00816.86
8.0.180.0030.00616.70
8.0.170.0070.00016.73
8.0.160.0020.00516.83
8.0.150.0040.00416.81
8.0.140.0040.00416.72
8.0.130.0030.00313.17
8.0.120.0040.00416.68
8.0.110.0040.00416.83
8.0.100.0000.00816.84
8.0.90.0040.00416.76
8.0.80.0030.01316.76
8.0.70.0050.00216.68
8.0.60.0080.00016.76
8.0.50.0040.00416.67
8.0.30.0110.00816.92
8.0.20.0090.01217.40
8.0.10.0000.00716.77
8.0.00.0120.00516.81
7.4.330.0000.00515.00
7.4.320.0060.00016.37
7.4.300.0030.00316.26
7.4.290.0030.00316.50
7.4.280.0030.00616.44
7.4.270.0000.00816.45
7.4.260.0040.00416.33
7.4.250.0000.00816.42
7.4.240.0000.00716.39
7.4.230.0030.00416.25
7.4.220.0090.00916.47
7.4.210.0060.01016.32
7.4.200.0040.00416.54
7.4.160.0130.01016.32
7.4.150.0120.00917.40
7.4.140.0120.00717.86
7.4.130.0150.00416.39
7.4.120.0120.00616.48
7.4.110.0170.00316.47
7.4.100.0030.01416.46
7.4.90.0140.00616.47
7.4.80.0140.01019.39
7.4.70.0120.00616.39
7.4.60.0040.01216.44
7.4.50.0000.00816.57
7.4.40.0070.01016.42
7.4.30.0100.00616.43
7.4.00.0030.01315.11
7.3.330.0000.00512.94
7.3.320.0050.00012.97
7.3.310.0000.00616.28
7.3.300.0030.00316.04
7.3.290.0060.00816.22
7.3.280.0080.00916.19
7.3.270.0100.00717.40
7.3.260.0090.00916.28
7.3.250.0070.00916.26
7.3.240.0070.01016.20
7.3.230.0150.00416.39
7.3.210.0160.00016.20
7.3.200.0100.01019.39
7.3.190.0090.00916.22
7.3.180.0130.00316.41
7.3.170.0110.00416.27
7.3.160.0070.01016.36
7.2.330.0090.00916.62
7.2.320.0120.00616.58
7.2.310.0190.00416.58
7.2.300.0060.01216.40
7.2.290.0100.00716.49
7.2.60.0000.01716.64
7.2.00.0060.00919.13
7.1.200.0000.01015.54
7.1.100.0000.01017.89
7.1.70.0040.00417.16
7.1.60.0070.01719.40
7.1.50.0060.01916.74
7.1.00.0030.07722.35
7.0.200.0030.00316.81
7.0.140.0030.07322.13
7.0.60.0230.07321.72
7.0.50.0100.05717.89
7.0.40.0030.09020.00
7.0.30.0330.06720.30
7.0.20.0300.05320.33
7.0.10.0100.07720.20
7.0.00.0070.05020.19
5.6.280.0000.07720.98
5.6.210.0170.06720.66
5.6.200.0070.04018.12
5.6.190.0070.08320.67
5.6.180.0230.08320.67
5.6.170.0200.04720.51
5.6.160.0100.08020.49
5.6.150.0130.07318.20
5.6.140.0170.05018.18
5.6.130.0070.05718.15
5.6.120.0100.07721.05
5.6.110.0030.08020.95
5.6.100.0000.04320.98
5.6.90.0100.03320.99
5.6.80.0100.07720.50
5.5.350.0000.03320.36
5.5.340.0070.05317.97
5.5.330.0070.08320.41
5.5.320.0200.04320.41
5.5.310.0200.04020.34
5.5.300.0000.04017.93
5.5.290.0030.04017.94
5.5.280.0030.07020.97
5.5.270.0030.06320.76
5.5.260.0100.03720.75
5.5.250.0070.06720.68
5.5.240.0170.04320.25
5.4.450.0430.05019.41
5.4.440.0270.05019.41
5.4.430.0370.04019.40
5.4.420.0830.04019.45
5.4.410.0600.04319.44
5.4.400.0230.04319.09
5.4.390.0400.04018.83
5.4.380.0400.04718.66
5.4.370.0370.06318.71
5.4.360.0300.05018.68
5.4.350.0330.05018.50
5.4.340.0400.04718.72
5.4.320.0050.03612.45
5.4.310.0070.03612.45
5.4.300.0030.03912.45
5.4.290.0030.04012.45
5.4.280.0040.03612.34
5.4.270.0060.03812.34
5.4.260.0100.03512.34
5.4.250.0060.03812.35
5.4.240.0050.03712.34
5.4.230.0080.03912.34
5.4.220.0060.03412.34
5.4.210.0060.03412.34
5.4.200.0070.03612.34
5.4.190.0030.04012.33
5.4.180.0100.03112.34
5.4.170.0060.03812.34
5.4.160.0040.04012.34
5.4.150.0050.04012.34
5.4.140.0100.03712.02
5.4.130.0070.03812.01
5.4.120.0080.04011.97
5.4.110.0020.04911.96
5.4.100.0050.03511.96
5.4.90.0040.03811.96
5.4.80.0040.03711.97
5.4.70.0050.03711.96
5.4.60.0080.03911.96
5.4.50.0110.03211.96
5.4.40.0110.04511.95
5.4.30.0140.04211.95
5.4.20.0060.05211.95
5.4.10.0100.04711.95
5.4.00.0080.05011.44
5.3.290.0130.05012.80
5.3.280.0070.05212.71
5.3.270.0100.05312.72
5.3.260.0080.05412.72
5.3.250.0070.03712.72
5.3.240.0080.04712.72
5.3.230.0060.03812.71
5.3.220.0040.03912.68
5.3.210.0050.04112.68
5.3.200.0070.03712.68
5.3.190.0080.03612.68
5.3.180.0070.04112.67
5.3.170.0080.03812.66
5.3.160.0100.04412.68
5.3.150.0070.05312.67
5.3.140.0090.05112.66
5.3.130.0080.03712.66
5.3.120.0080.03712.66
5.3.110.0090.03512.66
5.3.100.0050.03712.12
5.3.90.0060.03612.09
5.3.80.0080.03412.08
5.3.70.0100.03212.07
5.3.60.0040.03812.06
5.3.50.0100.03412.00
5.3.40.0070.03612.00
5.3.30.0130.04411.95
5.3.20.0030.03911.72
5.3.10.0050.03711.69
5.3.00.0080.03411.67
5.2.170.0080.0329.18
5.2.160.0030.0319.18
5.2.150.0050.0359.18
5.2.140.0060.0299.17
5.2.130.0080.0409.13
5.2.120.0060.0289.14
5.2.110.0070.0389.14
5.2.100.0060.0329.14
5.2.90.0050.0299.14
5.2.80.0040.0309.14
5.2.70.0070.0279.13
5.2.60.0050.0299.08
5.2.50.0080.0389.05
5.2.40.0060.0279.02
5.2.30.0030.0319.01
5.2.20.0030.0309.00
5.2.10.0050.0278.92
5.2.00.0050.0298.77
5.1.60.0050.0248.06
5.1.50.0030.0268.05
5.1.40.0040.0358.04
5.1.30.0050.0378.39
5.1.20.0060.0278.41
5.1.10.0090.0238.13
5.1.00.0060.0258.13
5.0.50.0040.0226.62
5.0.40.0060.0176.47
5.0.30.0050.0406.29
5.0.20.0050.0216.26
5.0.10.0030.0226.23
5.0.00.0050.0386.23
4.4.90.0040.0154.78
4.4.80.0050.0134.75
4.4.70.0040.0154.75
4.4.60.0050.0174.76
4.4.50.0030.0164.77
4.4.40.0040.0254.71
4.4.30.0040.0174.76
4.4.20.0040.0194.85
4.4.10.0030.0174.85
4.4.00.0040.0264.76
4.3.110.0040.0144.67
4.3.100.0040.0194.66
4.3.90.0030.0174.63
4.3.80.0020.0254.59
4.3.70.0050.0124.63
4.3.60.0020.0154.63
4.3.50.0040.0144.63
4.3.40.0030.0234.53
4.3.30.0010.0173.28
4.3.20.0000.0183.26
4.3.10.0050.0133.21
4.3.00.0000.02315.63

preferences:
45.74 ms | 401 KiB | 5 Q