3v4l.org

run code in 300+ PHP versions simultaneously
<?php substr_replace("tata","--",0,100);

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)
8.3.60.0100.01018.29
8.3.50.0020.01421.09
8.3.40.0140.00018.46
8.3.30.0140.00018.41
8.3.20.0050.00318.66
8.3.10.0050.00320.92
8.3.00.0060.00319.41
8.2.180.0110.00418.29
8.2.170.0040.01122.96
8.2.160.0100.00320.38
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0090.00021.11
8.2.110.0030.00719.37
8.2.100.0110.00417.72
8.2.90.0000.00818.03
8.2.80.0080.00017.97
8.2.70.0050.00317.50
8.2.60.0030.00717.91
8.2.50.0000.00818.07
8.2.40.0030.00518.12
8.2.30.0070.00019.41
8.2.20.0040.00417.56
8.2.10.0040.00417.43
8.2.00.0090.00017.43
8.1.280.0080.00625.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.47
8.1.230.0040.00720.97
8.1.220.0030.00617.74
8.1.210.0020.00518.77
8.1.200.0030.00617.22
8.1.190.0040.00417.38
8.1.180.0040.00418.10
8.1.170.0050.00318.50
8.1.160.0000.00718.75
8.1.150.0050.00218.50
8.1.140.0000.00717.37
8.1.130.0000.00817.76
8.1.120.0040.00417.33
8.1.110.0000.00817.33
8.1.100.0000.00717.24
8.1.90.0070.00017.23
8.1.80.0000.00717.22
8.1.70.0000.00617.29
8.1.60.0000.00817.34
8.1.50.0040.00417.29
8.1.40.0040.00417.34
8.1.30.0070.00017.54
8.1.20.0060.00317.46
8.1.10.0040.00417.33
8.1.00.0040.00417.27
8.0.300.0040.00419.68
8.0.290.0040.00417.04
8.0.280.0030.00318.27
8.0.270.0040.00417.13
8.0.260.0000.00616.64
8.0.250.0000.00716.81
8.0.240.0000.00816.71
8.0.230.0030.00516.78
8.0.220.0000.00716.80
8.0.210.0000.00616.77
8.0.200.0030.00316.81
8.0.190.0030.00516.70
8.0.180.0040.00416.78
8.0.170.0030.00316.73
8.0.160.0030.00516.82
8.0.150.0070.00016.73
8.0.140.0030.00716.70
8.0.130.0030.00313.19
8.0.120.0000.00816.74
8.0.110.0000.00716.57
8.0.100.0030.00316.60
8.0.90.0040.00416.55
8.0.80.0030.01416.75
8.0.70.0000.00716.63
8.0.60.0040.00416.74
8.0.50.0040.00416.55
8.0.30.0070.01017.12
8.0.20.0140.00617.40
8.0.10.0000.00716.76
8.0.00.0050.01316.63
7.4.330.0020.00214.98
7.4.320.0060.00016.47
7.4.300.0060.00016.34
7.4.290.0030.00316.35
7.4.280.0000.00616.35
7.4.270.0070.00016.37
7.4.260.0000.00613.13
7.4.250.0040.00416.36
7.4.240.0040.00416.46
7.4.230.0070.00016.48
7.4.220.0190.00016.34
7.4.210.0080.00716.37
7.4.200.0030.00316.56
7.4.190.0050.00216.34
7.4.160.0120.00616.24
7.4.150.0090.00917.40
7.4.140.0110.00917.86
7.4.130.0110.00616.24
7.4.120.0080.00916.44
7.4.110.0120.01216.27
7.4.100.0110.00616.51
7.4.90.0180.00016.32
7.4.80.0100.00719.39
7.4.70.0130.00716.45
7.4.60.0070.01016.35
7.4.50.0030.00516.23
7.4.40.0040.00922.77
7.4.30.0080.01116.45
7.4.00.0030.01314.99
7.3.330.0000.00513.11
7.3.320.0050.00012.83
7.3.310.0070.00016.06
7.3.300.0070.00016.10
7.3.290.0120.00916.09
7.3.280.0070.00916.13
7.3.270.0100.00617.40
7.3.260.0130.00718.24
7.3.250.0110.00616.21
7.3.240.0100.01016.28
7.3.230.0120.00416.39
7.3.210.0070.01016.46
7.3.200.0140.00319.39
7.3.190.0080.00816.15
7.3.180.0120.00316.02
7.3.170.0030.01216.38
7.3.160.0060.00916.11
7.3.120.0130.00014.47
7.2.330.0070.01016.26
7.2.320.0120.00616.12
7.2.310.0110.00816.49
7.2.300.0130.00616.25
7.2.290.0130.00316.13
7.2.60.0150.00016.72
7.2.50.0030.00916.79
7.1.200.0060.00915.77
7.1.70.0040.00417.14
7.1.60.0040.00717.09
7.1.50.0140.01116.80
7.1.00.0070.07022.43
7.0.200.0000.00916.63
7.0.140.0100.07021.95
7.0.100.0100.07721.80
7.0.90.0070.06721.74
7.0.80.0130.08021.71
7.0.70.0030.08021.75
7.0.60.0100.07721.77
7.0.50.0100.07722.07
7.0.40.0000.08720.05
7.0.30.0130.07720.17
7.0.20.0000.05720.08
7.0.10.0000.08720.17
7.0.00.0070.04719.98
5.6.280.0100.06721.10
5.6.250.0170.04320.67
5.6.240.0070.08720.65
5.6.230.0170.07020.58
5.6.220.0030.05020.61
5.6.210.0130.07720.76
5.6.200.0200.06321.07
5.6.190.0100.08321.02
5.6.180.0100.08021.01
5.6.170.0200.07021.04
5.6.160.0070.05720.93
5.6.150.0100.07721.07
5.6.140.0000.08020.94
5.6.130.0000.08721.02
5.6.120.0200.06720.95
5.6.110.0100.08720.97
5.6.100.0230.04320.89
5.6.90.0070.08020.92
5.6.80.0100.07320.40
5.6.70.0130.07320.43
5.6.60.0070.07020.47
5.6.50.0030.04020.46
5.6.40.0000.05020.41
5.6.30.0070.04020.38
5.6.20.0030.04020.36
5.6.10.0100.06720.45
5.6.00.0070.03320.45
5.5.380.0000.08020.35
5.5.370.0070.07320.36
5.5.360.0070.08320.34
5.5.350.0000.07020.42
5.5.340.0030.08020.92
5.5.330.0000.07320.88
5.5.320.0100.07720.77
5.5.310.0130.04320.88
5.5.300.0070.06020.82
5.5.290.0030.08320.74
5.5.280.0030.08020.75
5.5.270.0130.07320.82
5.5.260.0100.04020.75
5.5.250.0030.08720.44
5.5.240.0100.07319.98
5.5.230.0070.08320.01
5.5.220.0030.08020.29
5.5.210.0030.08020.23
5.5.200.0100.03320.25
5.5.190.0000.04720.13
5.5.180.0070.04320.07
5.5.160.0130.03020.18
5.5.150.0070.03720.26
5.5.140.0130.02720.22
5.5.130.0070.04020.13
5.5.120.0000.05020.23
5.5.110.0030.04020.09
5.5.100.0030.04020.04
5.5.90.0030.04320.10
5.5.80.0030.04720.05
5.5.70.0000.04320.07
5.5.60.0000.05320.07
5.5.50.0130.03019.99
5.5.40.0000.04019.95
5.5.30.0070.03319.95
5.5.20.0070.04019.98
5.5.10.0130.02720.00
5.5.00.0030.03720.02
5.4.450.0070.07319.14
5.4.440.0170.07719.36
5.4.430.0100.07319.29
5.4.420.0030.08019.44
5.4.410.0100.07719.27
5.4.400.0130.06718.98
5.4.390.0100.07318.95
5.4.380.0130.05719.13
5.4.370.0070.03318.81
5.4.360.0070.04319.09
5.4.350.0100.03019.12
5.4.340.0070.03719.07
5.4.320.0000.04319.06
5.4.310.0000.04018.96
5.4.300.0000.04019.11
5.4.290.0030.05018.96
5.4.280.0030.04019.07
5.4.270.0030.03719.07
5.4.260.0070.03719.14
5.4.250.0030.05018.97
5.4.240.0100.02719.14
5.4.230.0030.04019.07
5.4.220.0000.04019.09
5.4.210.0030.03718.80
5.4.200.0130.02719.22
5.4.190.0030.03718.89
5.4.180.0070.03319.00
5.4.170.0000.04018.94
5.4.160.0100.03019.00
5.4.150.0100.03319.07
5.4.140.0070.03016.27
5.4.130.0070.03016.38
5.4.120.0000.03716.36
5.4.110.0000.03716.26
5.4.100.0070.04716.32
5.4.90.0030.03316.40
5.4.80.0000.03716.31
5.4.70.0030.03716.29
5.4.60.0000.03716.29
5.4.50.0030.04716.32
5.4.40.0000.03716.47
5.4.30.0000.04016.17
5.4.20.0000.04016.23
5.4.10.0070.03316.29
5.4.00.0100.03015.80
5.3.290.0030.04314.61
5.3.280.0000.03714.52
5.3.270.0000.04014.58
5.3.260.0030.04314.46
5.3.250.0000.03714.59
5.3.240.0030.04014.43
5.3.230.0030.04014.51
5.3.220.0030.04014.39
5.3.210.0000.04314.55
5.3.200.0000.04014.55
5.3.190.0030.04314.56
5.3.180.0070.03314.51
5.3.170.0030.03714.38
5.3.160.0070.03314.55
5.3.150.0000.04014.54
5.3.140.0030.03714.56
5.3.130.0030.05714.41
5.3.120.0070.03314.50
5.3.110.0030.03714.38
5.3.100.0000.08013.88
5.3.90.0070.06013.87
5.3.80.0030.06313.87
5.3.70.0000.04313.97
5.3.60.0070.07013.87
5.3.50.0030.03713.93
5.3.40.0070.04313.92
5.3.30.0000.06313.84
5.3.20.0070.04013.68
5.3.10.0030.05713.68
5.3.00.0070.06313.68
5.2.170.0100.02313.68
5.2.160.0030.04713.68
5.2.150.0030.05713.68
5.2.140.0000.06713.68
5.2.130.0100.05713.68
5.2.120.0030.06013.68
5.2.110.0030.04313.68
5.2.100.0130.05713.68
5.2.90.0070.05013.68
5.2.80.0070.06313.68
5.2.70.0000.06713.68
5.2.60.0000.06713.68
5.2.50.0100.06013.68
5.2.40.0070.05313.68
5.2.30.0100.05713.68
5.2.20.0030.03713.68
5.2.10.0070.05713.68
5.2.00.0130.04713.68
5.1.60.0100.04013.68
5.1.50.0030.05313.68
5.1.40.0100.05013.68
5.1.30.0070.05313.68
5.1.20.0100.05013.68
5.1.10.0030.05713.68
5.1.00.0070.03713.68
5.0.50.0000.04713.68
5.0.40.0100.03013.68
5.0.30.0000.06713.68
5.0.20.0000.04313.68
5.0.10.0070.04013.68
5.0.00.0000.06713.68
4.4.90.0030.02313.68
4.4.80.0030.03313.68
4.4.70.0000.03313.68
4.4.60.0000.03313.68
4.4.50.0000.01713.68
4.4.40.0070.03713.68
4.4.30.0070.02313.68
4.4.20.0000.03713.68
4.4.10.0000.02013.68
4.4.00.0030.05313.68
4.3.110.0030.03013.68
4.3.100.0030.02013.68
4.3.90.0030.02313.68
4.3.80.0030.05013.68
4.3.70.0030.03013.68
4.3.60.0030.03013.68
4.3.50.0000.03013.68
4.3.40.0000.05013.68
4.3.30.0030.03313.68
4.3.20.0030.03313.68
4.3.10.0030.03313.68
4.3.00.0000.02713.68

preferences:
38.72 ms | 401 KiB | 5 Q