3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "aaaaaaaaaaaaaaaababababababababa"; echo str_replace(array("aa", "ba"), "c", $a);

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)
8.3.60.0130.00718.30
8.3.50.0140.00621.21
8.3.40.0150.00618.86
8.3.30.0100.01019.09
8.3.20.0000.00720.37
8.3.10.0040.00423.39
8.3.00.0050.00319.02
8.2.180.0110.01118.29
8.2.170.0040.01122.96
8.2.160.0030.01020.38
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0040.00422.02
8.2.110.0030.01322.08
8.2.100.0060.00617.50
8.2.90.0040.00419.19
8.2.80.0050.00317.97
8.2.70.0040.00417.36
8.2.60.0060.00318.04
8.2.50.0080.00018.07
8.2.40.0080.00018.13
8.2.30.0040.00418.18
8.2.20.0050.00317.74
8.2.10.0030.00617.82
8.2.00.0000.00717.57
8.1.280.0040.01125.92
8.1.270.0000.00823.91
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0130.00323.84
8.1.230.0030.00719.04
8.1.220.0040.00417.75
8.1.210.0080.00018.77
8.1.200.0030.00617.23
8.1.190.0000.00917.10
8.1.180.0000.00718.10
8.1.170.0080.00020.25
8.1.160.0000.00821.87
8.1.150.0070.00018.82
8.1.140.0030.00517.38
8.1.130.0070.00017.82
8.1.120.0000.00717.30
8.1.110.0000.00717.34
8.1.100.0040.00317.36
8.1.90.0000.00717.41
8.1.80.0000.00817.40
8.1.70.0000.00717.27
8.1.60.0050.00517.59
8.1.50.0000.00717.41
8.1.40.0000.00817.36
8.1.30.0000.00817.65
8.1.20.0040.00417.53
8.1.10.0000.00717.47
8.1.00.0000.00817.43
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0030.00318.44
8.0.270.0070.00017.30
8.0.260.0030.00317.30
8.0.250.0030.00316.90
8.0.240.0000.00816.81
8.0.230.0040.00416.87
8.0.220.0030.00316.71
8.0.210.0030.00516.73
8.0.200.0030.00316.89
8.0.190.0090.00016.84
8.0.180.0080.00016.85
8.0.170.0050.00216.76
8.0.160.0000.00816.73
8.0.150.0000.00716.83
8.0.140.0030.00316.61
8.0.130.0000.00513.21
8.0.120.0000.00916.68
8.0.110.0030.00316.82
8.0.100.0040.00416.80
8.0.90.0000.00916.79
8.0.80.0120.00316.71
8.0.70.0040.00416.88
8.0.60.0000.00816.89
8.0.50.0000.00816.82
8.0.30.0120.00616.97
8.0.20.0090.01417.40
8.0.10.0000.00717.04
8.0.00.0080.00916.67
7.4.330.0000.00515.02
7.4.320.0030.00316.36
7.4.300.0060.00016.48
7.4.290.0090.00016.52
7.4.280.0090.00016.45
7.4.270.0000.00616.44
7.4.260.0000.00716.50
7.4.250.0030.00516.49
7.4.240.0060.00116.41
7.4.230.0040.00416.61
7.4.220.0150.00416.50
7.4.210.0060.01316.61
7.4.200.0070.00016.35
7.4.160.0060.01116.48
7.4.150.0100.00917.40
7.4.140.0100.00717.86
7.4.130.0100.00716.35
7.4.120.0130.00516.59
7.4.110.0110.00716.49
7.4.100.0070.01116.27
7.4.90.0110.00616.51
7.4.80.0160.00319.39
7.4.70.0090.01016.40
7.4.60.0100.00616.57
7.4.50.0050.00316.37
7.4.40.0170.00016.18
7.4.30.0030.01416.56
7.4.00.0030.01314.96
7.3.330.0050.00012.90
7.3.320.0000.00513.00
7.3.310.0040.00415.98
7.3.300.0030.00316.00
7.3.290.0030.01116.10
7.3.280.0100.00716.22
7.3.270.0060.00917.40
7.3.260.0110.00616.29
7.3.250.0110.01216.07
7.3.240.0040.01816.28
7.3.230.0140.00316.39
7.3.210.0040.01316.43
7.3.200.0030.01219.39
7.3.190.0100.00716.16
7.3.180.0060.01016.36
7.3.170.0200.00016.27
7.3.160.0130.00716.42
7.3.10.0080.00916.37
7.3.00.0140.00416.14
7.2.330.0060.01116.33
7.2.320.0120.01216.54
7.2.310.0080.00816.43
7.2.300.0100.00716.55
7.2.290.0080.01216.55
7.2.130.0100.00316.43
7.2.120.0100.00716.23
7.2.110.0030.00916.35
7.2.100.0040.00816.15
7.2.90.0120.00616.35
7.2.80.0150.00916.59
7.2.70.0120.01216.62
7.2.60.0140.00716.41
7.2.50.0070.01416.62
7.2.40.0080.01216.58
7.2.30.0090.01316.32
7.2.20.0160.01016.37
7.2.10.0060.01016.22
7.2.00.0050.00717.85
7.1.250.0030.01015.30
7.1.100.0030.00718.22
7.1.70.0000.00716.84
7.1.60.0090.01519.32
7.1.50.0060.01916.85
7.1.00.0070.07322.46
7.0.200.0030.00716.80
7.0.140.0000.07721.92
7.0.60.0200.06719.90
7.0.50.0130.07317.80
7.0.40.0100.07020.10
7.0.30.0470.06020.02
7.0.20.0200.04720.16
7.0.10.0030.05720.30
7.0.00.0070.08320.01
5.6.280.0100.06721.09
5.6.210.0200.06320.46
5.6.200.0100.05318.13
5.6.190.0130.08020.35
5.6.180.0470.06020.41
5.6.170.0270.08020.49
5.6.160.0030.07020.71
5.6.150.0030.04018.15
5.6.140.0100.08018.15
5.6.130.0030.04018.15
5.6.120.0030.04021.02
5.6.110.0100.04020.87
5.6.100.0030.04020.99
5.6.90.0130.06721.02
5.6.80.0130.06320.39
5.5.350.4400.03720.31
5.5.340.0100.06318.07
5.5.330.0070.04320.25
5.5.320.0070.07720.29
5.5.310.0400.08020.12
5.5.300.0100.03717.91
5.5.290.0100.03717.96
5.5.280.0030.05320.86
5.5.270.0100.07720.83
5.5.260.0070.08020.83
5.5.250.0000.05020.74
5.5.240.0130.08020.34
5.4.450.0300.04019.39
5.4.440.0530.06319.20
5.4.430.0430.05019.29
5.4.420.0470.06319.54
5.4.410.0430.04719.29
5.4.400.0400.04718.89
5.4.390.0530.06319.08
5.4.380.0430.04319.09
5.4.370.0470.03719.09
5.4.360.0530.04719.13
5.4.350.0570.05318.93
5.4.340.0470.05318.92
5.4.320.0470.04319.16
5.4.310.0500.05318.81
5.4.300.0400.04319.16
5.4.290.0500.05018.88
5.4.280.0270.06319.08
5.4.270.0470.03719.15
5.4.260.0500.07018.92
5.4.250.0400.04019.07
5.4.240.0530.05719.07
5.4.230.0430.04018.91
5.4.220.0570.03319.07
5.4.210.0500.06319.05
5.4.200.0570.05019.12
5.4.190.0470.04019.15
5.4.180.0470.04019.24
5.4.170.0430.05719.17
5.4.160.0370.03719.22
5.4.150.0400.03719.23
5.4.140.0430.04716.18
5.4.130.0470.03316.25
5.4.120.0430.04016.37
5.4.110.0430.06716.38
5.4.100.0570.03716.21
5.4.90.0470.04016.34
5.4.80.0570.02716.41
5.4.70.0470.03316.04
5.4.60.0570.03016.36
5.4.50.0500.05716.28
5.4.40.0400.04316.18
5.4.30.0500.06716.39
5.4.20.0070.04316.32
5.4.10.0030.05016.20
5.4.00.4300.03015.89
5.3.290.0470.04314.49
5.3.280.0300.05014.42
5.3.270.0500.04014.58
5.3.260.0430.03714.55
5.3.250.0500.05714.69
5.3.240.0570.06014.45
5.3.230.0430.05714.43
5.3.220.0530.06314.51
5.3.210.0470.04714.40
5.3.200.0530.04314.40
5.3.190.0600.04714.41
5.3.180.0470.04314.61
5.3.170.0430.04714.40
5.3.160.0430.05714.41
5.3.150.0430.04014.54
5.3.140.0500.05314.50
5.3.130.0470.06714.52
5.3.120.0230.04014.40
5.3.110.0030.05014.42
5.3.100.0700.03313.89
5.3.90.0530.04313.85
5.3.80.0370.04714.04
5.3.70.0500.06713.96
5.3.60.0500.04314.05
5.3.50.0530.06013.80
5.3.40.0530.05713.89
5.3.30.0500.04014.00
5.3.20.0530.05713.71
5.3.10.0530.04013.74
5.3.00.0400.04013.57
5.2.170.0400.03711.23
5.2.160.0470.04710.99
5.2.150.0370.04011.08
5.2.140.0430.05710.98
5.2.130.0400.05010.93
5.2.120.0370.04711.19
5.2.110.0300.03311.25
5.2.100.0370.03310.98
5.2.90.0400.03010.95
5.2.80.0370.05711.14
5.2.70.0430.05710.93
5.2.60.0470.05310.89
5.2.50.0430.05010.86
5.2.40.0330.05310.83
5.2.30.0400.05010.91
5.2.20.0300.05311.00
5.2.10.0230.03010.93
5.2.00.0400.03310.67
5.1.60.0300.0209.91
5.1.50.0500.03310.11
5.1.40.0330.0239.85
5.1.30.0300.05710.40
5.1.20.0330.03010.31
5.1.10.0300.03310.20
5.1.00.0330.02710.18
5.0.50.0270.0208.59
5.0.40.0270.0308.38
5.0.30.0130.0438.21
5.0.20.0170.0178.19
5.0.10.0170.0208.26
5.0.00.0230.0338.33
4.4.90.0170.0277.65
4.4.80.0200.0307.65
4.4.70.0070.0307.65
4.4.60.0100.0337.65
4.4.50.0200.0177.65
4.4.40.0200.0337.65
4.4.30.0070.0207.65
4.4.20.0130.0177.65
4.4.10.0230.0177.65
4.4.00.0100.0507.65
4.3.110.0170.0307.65
4.3.100.0170.0177.65
4.3.90.0130.0307.65
4.3.80.0170.0477.65
4.3.70.0130.0407.65
4.3.60.0200.0277.65
4.3.50.0130.0307.65
4.3.40.0170.0377.65
4.3.30.0100.0207.65
4.3.20.0100.0377.65
4.3.10.0100.0237.65
4.3.00.0070.0277.65

preferences:
42 ms | 401 KiB | 5 Q