3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr_replace('abcdef', '###', 1, 3);

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)
8.3.60.0070.01418.18
8.3.50.0130.00721.94
8.3.40.0120.00318.79
8.3.30.0110.00319.03
8.3.20.0150.00020.09
8.3.10.0000.00721.82
8.3.00.0040.00417.38
8.2.180.0110.01118.14
8.2.170.0180.00022.96
8.2.160.0100.00720.17
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0050.00319.11
8.2.110.0030.00719.39
8.2.100.0080.00417.50
8.2.90.0000.00719.06
8.2.80.0060.00317.97
8.2.70.0030.00617.63
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0030.00619.84
8.2.30.0060.00617.88
8.2.20.0040.00417.50
8.2.10.0070.00017.94
8.2.00.0070.00018.10
8.1.280.0110.01125.92
8.1.270.0000.00820.37
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0000.01019.16
8.1.230.0080.00417.66
8.1.220.0050.00217.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0030.00620.30
8.1.160.0050.00321.93
8.1.150.0000.00718.74
8.1.140.0060.00317.20
8.1.130.0050.00317.68
8.1.120.0040.00417.36
8.1.110.0040.00417.22
8.1.100.0040.00417.29
8.1.90.0030.00517.32
8.1.80.0000.00717.36
8.1.70.0070.00017.31
8.1.60.0030.00617.29
8.1.50.0080.00017.33
8.1.40.0040.00417.28
8.1.30.0040.00417.45
8.1.20.0000.00717.48
8.1.10.0040.00417.42
8.1.00.0000.00817.38
8.0.300.0030.00518.77
8.0.290.0070.00016.58
8.0.280.0040.00418.34
8.0.270.0000.00717.11
8.0.260.0030.00317.19
8.0.250.0070.00016.88
8.0.240.0000.00616.75
8.0.230.0030.00316.73
8.0.220.0000.00816.78
8.0.210.0030.00316.78
8.0.200.0020.00516.76
8.0.190.0040.00416.76
8.0.180.0050.00216.72
8.0.170.0040.00416.77
8.0.160.0050.00316.81
8.0.150.0040.00416.68
8.0.140.0000.00716.74
8.0.130.0000.00613.18
8.0.120.0070.00016.72
8.0.110.0040.00416.75
8.0.100.0040.00416.82
8.0.90.0000.00716.63
8.0.80.0040.01816.82
8.0.70.0030.00316.83
8.0.60.0080.00016.71
8.0.50.0020.00516.62
8.0.30.0130.01116.66
8.0.20.0090.01117.40
8.0.10.0070.00016.74
8.0.00.0110.00816.56
7.4.330.0030.00515.03
7.4.320.0030.00316.50
7.4.300.0000.00616.45
7.4.290.0000.00816.34
7.4.280.0000.00716.51
7.4.270.0030.00316.39
7.4.260.0030.00616.33
7.4.250.0030.00316.26
7.4.240.0040.00416.42
7.4.230.0000.00716.19
7.4.220.0060.01116.50
7.4.210.0130.01016.24
7.4.200.0040.00416.45
7.4.160.0090.00916.58
7.4.150.0140.00417.40
7.4.140.0120.01417.86
7.4.130.0110.00816.33
7.4.120.0040.01316.37
7.4.110.0100.00616.65
7.4.100.0100.00716.27
7.4.90.0120.00416.25
7.4.80.0060.01219.39
7.4.70.0030.01216.34
7.4.60.0060.01016.38
7.4.50.0040.00416.20
7.4.40.0080.01316.29
7.4.30.0090.00916.14
7.4.00.0120.00614.73
7.3.330.0030.00312.93
7.3.320.0070.00712.98
7.3.310.0050.00216.19
7.3.300.0030.00316.13
7.3.290.0120.00416.21
7.3.280.0080.01016.12
7.3.270.0110.00617.40
7.3.260.0110.00716.42
7.3.250.0150.00616.31
7.3.240.0130.00416.48
7.3.230.0150.00916.39
7.3.210.0090.00616.15
7.3.200.0120.00619.39
7.3.190.0160.00416.11
7.3.180.0060.01016.48
7.3.170.0110.01116.43
7.3.160.0140.00316.47
7.3.10.0030.01216.59
7.3.00.0090.00816.46
7.2.330.0070.01016.30
7.2.320.0060.01216.48
7.2.310.0080.00816.34
7.2.300.0030.01416.25
7.2.290.0190.00416.31
7.2.130.0050.01016.57
7.2.120.0070.00916.66
7.2.110.0130.00516.48
7.2.100.0040.00816.54
7.2.90.0070.00516.85
7.2.80.0040.00916.80
7.2.70.0060.00616.80
7.2.60.0040.00816.84
7.2.50.0060.00616.72
7.2.40.0090.00316.83
7.2.30.0070.00416.81
7.2.20.0040.00916.68
7.2.10.0040.01516.63
7.2.00.0090.01017.44
7.1.250.0070.00715.61
7.1.200.0040.00715.40
7.1.100.0040.00817.73
7.1.70.0040.01217.10
7.1.60.0120.00919.50
7.1.50.0090.01516.79
7.1.00.0030.07722.31
7.0.200.0000.00716.75
7.0.60.0070.07319.85
7.0.50.0070.04317.88
7.0.40.0100.03720.32
7.0.30.0300.07320.28
7.0.20.0230.04020.02
7.0.10.0200.03720.17
7.0.00.0030.05320.33
5.6.280.0000.07321.09
5.6.210.0030.09020.62
5.6.200.0130.05318.09
5.6.190.0100.08320.65
5.6.180.0030.04720.32
5.6.170.0230.04720.45
5.6.160.0100.08020.27
5.6.150.0070.08018.11
5.6.140.0070.07318.21
5.6.130.0100.07718.07
5.6.120.0130.05020.95
5.6.110.0130.07720.97
5.6.100.0170.07021.08
5.6.90.0070.07320.94
5.6.80.0000.07320.35
5.6.70.0270.08020.49
5.5.350.0130.05320.40
5.5.340.0100.03317.89
5.5.330.0070.08020.56
5.5.320.0070.07720.29
5.5.310.0230.08020.21
5.5.300.0030.04017.98
5.5.290.0030.08318.00
5.5.280.0070.08320.87
5.5.270.0100.08020.86
5.5.260.0070.04020.78
5.5.250.0170.06720.65
5.5.240.0100.07320.11
5.4.450.0270.05319.42
5.4.440.0300.04019.24
5.4.430.0270.04719.11
5.4.420.0470.05319.55
5.4.410.0270.04319.00
5.4.400.0330.07018.89
5.4.390.0370.03019.08
5.4.380.0300.05318.81
5.4.370.0300.07318.79
5.4.360.0270.08018.90
5.4.350.0270.05719.13
5.4.340.0370.06319.23
5.4.320.0430.06019.08
5.4.310.0300.03719.08
5.4.300.0300.07019.27
5.4.290.0300.04019.09
5.4.280.0300.06718.78
5.4.270.0230.04319.10
5.4.260.0300.03718.92
5.4.250.0370.04719.08
5.4.240.0200.03318.91
5.4.230.0270.03318.89
5.4.220.0200.04018.92
5.4.210.0230.03319.21
5.4.200.0130.04019.07
5.4.190.0230.03318.87
5.4.180.0230.04018.78
5.4.170.0200.04319.22
5.4.160.0230.03718.77
5.4.150.0200.03719.11
5.4.140.0200.03316.35
5.4.130.0200.03316.32
5.4.120.0300.03016.21
5.4.110.0230.03316.43
5.4.100.0230.03316.47
5.4.90.0230.03016.20
5.4.80.0200.03316.37
5.4.70.0200.03316.45
5.4.60.0100.04716.18
5.4.50.0170.03316.36
5.4.40.0230.03016.36
5.4.30.0230.03016.15
5.4.20.0270.03716.36
5.4.10.0270.04316.18
5.4.00.0230.03715.63
5.3.290.0300.07014.70
5.3.280.0230.03314.53
5.3.270.0200.04314.69
5.3.260.0200.05014.44
5.3.250.0230.03314.43
5.3.240.0200.03314.54
5.3.230.0230.03314.45
5.3.220.0170.04014.51
5.3.210.0230.03314.40
5.3.200.0130.04014.41
5.3.190.0200.03714.41
5.3.180.0200.03314.54
5.3.170.0230.03014.43
5.3.160.0170.03714.59
5.3.150.0200.03314.39
5.3.140.0130.04314.64
5.3.130.0100.04314.52
5.3.120.0230.03314.46
5.3.110.0330.04714.40
5.3.100.0230.03313.88
5.3.90.0230.03314.10
5.3.80.0200.04314.10
5.3.70.0270.05714.11
5.3.60.0270.05014.09
5.3.50.0300.03313.87
5.3.40.0270.07313.96
5.3.30.0300.05013.84
5.3.20.0300.06313.56
5.3.10.0400.06013.68
5.3.00.0300.06313.72
5.2.170.0330.05311.63
5.2.160.0370.05011.63
5.2.150.0300.05311.63
5.2.140.0200.04011.63
5.2.130.0330.03011.63
5.2.120.0300.05011.63
5.2.110.0230.04711.63
5.2.100.0270.05311.63
5.2.90.0270.05311.63
5.2.80.0300.04311.63
5.2.70.0270.04711.63
5.2.60.0230.05711.63
5.2.50.0330.04011.63
5.2.40.0170.03711.63
5.2.30.0270.02711.63
5.2.20.0200.03311.63
5.2.10.0200.05311.63
5.2.00.0270.04011.63
5.1.60.0170.04711.63
5.1.50.0130.03011.63
5.1.40.0270.04011.63
5.1.30.0300.04311.63
5.1.20.0170.03011.63
5.1.10.0230.04711.63
5.1.00.0230.05311.63
5.0.50.0070.02311.63
5.0.40.0100.04311.63
5.0.30.0100.06711.63
5.0.20.0130.02311.63
5.0.10.0100.04311.63
5.0.00.0130.05711.63
4.4.90.0200.02711.63
4.4.80.0070.02711.63
4.4.70.0100.02011.63
4.4.60.0100.03311.63
4.4.50.0100.01711.63
4.4.40.0100.05311.63
4.4.30.0100.03011.63
4.4.20.0170.03711.63
4.4.10.0070.03311.63
4.4.00.0100.04011.63
4.3.110.0100.03011.63
4.3.100.0170.02711.63
4.3.90.0100.02711.63
4.3.80.0100.04011.63
4.3.70.0130.01711.63
4.3.60.0100.02011.63
4.3.50.0100.02011.63
4.3.40.0100.05011.63
4.3.30.0100.03011.63
4.3.20.0070.02711.63
4.3.10.0030.03711.63
4.3.00.0070.02011.63

preferences:
74.45 ms | 401 KiB | 5 Q