3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "0636847372"; echo substr_replace($str, "358", 0, 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)
8.3.60.0170.00318.13
8.3.50.0110.01021.99
8.3.40.0090.00618.55
8.3.30.0100.00320.20
8.3.20.0040.00420.38
8.3.10.0050.00222.10
8.3.00.0080.00022.27
8.2.180.0120.00316.38
8.2.170.0080.00822.96
8.2.160.0100.00722.11
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00020.98
8.2.110.0060.00322.25
8.2.100.0140.00717.42
8.2.90.0000.00719.21
8.2.80.0000.00719.34
8.2.70.0000.00817.47
8.2.60.0000.00917.80
8.2.50.0050.00318.07
8.2.40.0030.00518.11
8.2.30.0000.00718.04
8.2.20.0070.00017.71
8.2.10.0080.00017.55
8.2.00.0040.00417.61
8.1.270.0050.00524.66
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0090.00023.74
8.1.230.0040.00819.07
8.1.220.0030.00617.74
8.1.210.0000.00918.77
8.1.200.0040.00417.23
8.1.190.0000.00917.41
8.1.180.0040.00418.88
8.1.170.0000.00718.56
8.1.160.0030.00322.10
8.1.150.0030.00518.51
8.1.140.0070.00017.26
8.1.130.0000.00717.70
8.1.120.0000.00717.30
8.1.110.0050.00317.35
8.1.100.0020.00517.32
8.1.90.0070.00017.29
8.1.80.0040.00417.39
8.1.70.0070.00017.38
8.1.60.0060.00317.43
8.1.50.0030.00517.51
8.1.40.0050.00317.45
8.1.30.0040.00417.52
8.1.20.0000.00817.63
8.1.10.0000.00717.40
8.1.00.0060.00617.40
8.0.300.0030.00318.77
8.0.290.0000.00717.04
8.0.280.0030.00318.44
8.0.270.0030.00317.17
8.0.260.0040.00416.81
8.0.250.0040.00416.94
8.0.240.0000.00816.98
8.0.230.0030.00316.88
8.0.220.0000.00816.73
8.0.210.0000.00916.68
8.0.200.0000.00716.85
8.0.190.0030.00516.79
8.0.180.0040.00416.67
8.0.170.0000.00816.86
8.0.160.0000.00716.79
8.0.150.0000.00716.80
8.0.140.0030.00316.81
8.0.130.0050.00013.21
8.0.120.0050.00316.80
8.0.110.0040.00416.83
8.0.100.0070.00016.73
8.0.90.0000.00716.81
8.0.80.0040.01116.89
8.0.70.0000.00716.69
8.0.60.0040.00416.86
8.0.50.0000.00816.85
8.0.30.0100.01217.28
8.0.20.0130.00517.40
8.0.10.0040.00416.97
8.0.00.0080.01416.72
7.4.330.0060.00015.00
7.4.320.0040.00416.43
7.4.300.0040.00416.37
7.4.290.0070.00016.54
7.4.280.0000.00616.57
7.4.270.0000.00716.52
7.4.260.0050.00213.25
7.4.250.0000.00716.38
7.4.240.0030.00516.44
7.4.230.0040.00416.64
7.4.220.0060.01616.47
7.4.210.0060.00916.49
7.4.200.0000.00716.55
7.4.190.0070.00016.61
7.4.160.0110.00616.42
7.4.150.0100.00717.40
7.4.140.0110.00917.86
7.4.130.0120.00516.49
7.4.120.0100.00616.38
7.4.110.0070.01016.39
7.4.100.0070.01316.32
7.4.90.0090.00916.29
7.4.80.0070.01619.39
7.4.70.0150.00416.38
7.4.60.0120.00316.41
7.4.50.0050.00316.49
7.4.40.0000.01422.77
7.4.30.0120.00616.46
7.4.00.0040.00814.93
7.3.330.0000.00512.94
7.3.320.0020.00513.03
7.3.310.0030.00316.33
7.3.300.0030.00316.04
7.3.290.0070.00716.20
7.3.280.0090.01016.11
7.3.270.0100.00717.40
7.3.260.0150.00916.45
7.3.250.0100.00816.23
7.3.240.0140.00316.32
7.3.230.0060.01016.39
7.3.210.0030.01416.09
7.3.200.0130.00319.39
7.3.190.0080.01116.10
7.3.180.0090.00616.40
7.3.170.0040.01216.35
7.3.160.0100.00716.14
7.3.120.0030.01314.66
7.2.330.0070.01016.24
7.2.320.0140.00316.20
7.2.310.0120.00616.36
7.2.300.0080.00816.17
7.2.290.0130.00316.11
7.2.00.0000.01219.45
7.1.100.0060.00617.93
7.1.70.0000.01416.97
7.1.60.0130.01319.43
7.1.50.0160.00916.77
7.1.00.0000.03722.47
7.0.200.0040.00816.80
7.0.140.0030.07321.95
7.0.60.0100.07320.08
7.0.50.0100.06717.77
7.0.40.0070.04320.25
7.0.30.0330.05720.04
7.0.20.0200.05720.12
7.0.10.0170.05320.00
7.0.00.0000.09720.13
5.6.280.0070.07021.14
5.6.210.0070.03720.54
5.6.200.0130.08018.23
5.6.190.0070.08720.34
5.6.180.0230.04320.41
5.6.170.0130.05020.47
5.6.160.0200.07720.41
5.6.150.0130.07718.15
5.6.140.0100.07018.20
5.6.130.0030.04018.14
5.6.120.0130.07321.11
5.6.110.0030.04320.98
5.6.100.0070.07720.98
5.6.90.0030.08020.96
5.6.80.0100.07320.35
5.6.70.0230.08720.47
5.5.350.0070.07320.36
5.5.340.0130.05717.92
5.5.330.0130.07720.14
5.5.320.0270.08020.29
5.5.310.0300.07720.34
5.5.300.0030.07018.01
5.5.290.0070.04317.92
5.5.280.0000.04720.79
5.5.270.0100.07320.76
5.5.260.0030.04020.71
5.5.250.0070.06020.54
5.5.240.0070.06720.25
5.4.450.0630.07019.41
5.4.440.1030.04719.47
5.4.430.1030.05319.31
5.4.420.1130.05719.13
5.4.410.0970.06319.36
5.4.400.1100.05318.68
5.4.390.1670.05718.72
5.4.380.0230.05318.68
5.4.370.0130.05318.50
5.4.360.0100.05718.68
5.4.350.0090.05011.97
5.4.340.0160.05711.97
5.4.320.0040.03912.45
5.4.310.0060.03812.45
5.4.300.0050.03812.45
5.4.290.0050.04112.45
5.4.280.0050.03612.34
5.4.270.0050.03712.34
5.4.260.0060.03712.34
5.4.250.0050.03812.35
5.4.240.0070.05318.90
5.4.230.0030.05318.90
5.4.220.0170.06018.73
5.4.210.0000.05719.02
5.4.200.0030.05318.89
5.4.190.0130.07018.87
5.4.180.0000.05718.99
5.4.170.0170.04719.03
5.4.160.0030.06718.89
5.4.150.0130.06718.74
5.4.140.0070.05016.46
5.4.130.0100.06716.27
5.4.120.0100.04316.29
5.4.110.0100.04316.20
5.4.100.0100.04316.50
5.4.90.0030.05016.20
5.4.80.0030.05016.22
5.4.70.0130.05016.19
5.4.60.0130.04016.52
5.4.50.0000.05716.32
5.4.40.0170.04016.45
5.4.30.0030.05016.46
5.4.20.0100.04316.47
5.4.10.0170.04016.31
5.4.00.0030.05315.86
5.3.290.0050.04312.80
5.3.280.0100.05014.68
5.3.270.0030.05314.37
5.3.260.0070.05014.44
5.3.250.0100.04714.64
5.3.240.0070.04714.61
5.3.230.0030.05314.74
5.3.220.0100.06314.56
5.3.210.0130.04314.57
5.3.200.0070.04714.43
5.3.190.0100.04314.42
5.3.180.0100.05714.57
5.3.170.0070.04714.71
5.3.160.0100.04714.57
5.3.150.0030.06014.46
5.3.140.0070.05014.56
5.3.130.0070.05014.43
5.3.120.0170.04014.40
5.3.110.0070.05314.56
5.3.100.0030.07314.05
5.3.90.0070.04713.89
5.3.80.0100.04313.79
5.3.70.0000.05713.71
5.3.60.0000.05314.03
5.3.50.0100.04313.88
5.3.40.0000.05713.96
5.3.30.0070.04713.80
5.3.20.0100.05013.70
5.3.10.0000.05013.41
5.3.00.0200.05013.42
5.2.170.0000.06311.29
5.2.160.0070.05011.15
5.2.150.0100.03711.14
5.2.140.0070.03711.02
5.2.130.0070.04310.98
5.2.120.0030.03711.02
5.2.110.0030.04010.98
5.2.100.0070.04710.93
5.2.90.0070.05011.02
5.2.80.0170.03711.23
5.2.70.0030.04311.08
5.2.60.0070.05711.06
5.2.50.0100.03711.02
5.2.40.0030.04010.89
5.2.30.0030.04010.88
5.2.20.0070.03710.97
5.2.10.0070.03311.03
5.2.00.0000.04310.69
5.1.60.0000.03710.05
5.1.50.0030.03710.14
5.1.40.0000.03710.06
5.1.30.0130.03710.30
5.1.20.0070.05010.41
5.1.10.0100.0439.96
5.1.00.0030.03310.25
5.0.50.0070.0238.58
5.0.40.0100.0208.43
5.0.30.0030.0408.12
5.0.20.0070.0308.33
5.0.10.0100.0308.22
5.0.00.0070.0478.24
4.4.90.0000.0236.56
4.4.80.0000.0236.56
4.4.70.0030.0206.53
4.4.60.0070.0176.53
4.4.50.0000.0236.53
4.4.40.0000.0336.53
4.4.30.0070.0176.53
4.4.20.0100.0176.53
4.4.10.0030.0206.53
4.4.00.0000.0376.53
4.3.110.0030.0236.53
4.3.100.0000.0236.53
4.3.90.0030.0306.53
4.3.80.0000.0376.53
4.3.70.0070.0236.53
4.3.60.0000.0236.53
4.3.50.0000.0306.53
4.3.40.0000.0336.53
4.3.30.0000.0236.53
4.3.20.0130.0106.53
4.3.10.0030.0206.53
4.3.00.0100.0237.09

preferences:
36.44 ms | 400 KiB | 5 Q