3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr_replace('autoconnaître', 'i', -4, -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)
8.3.60.0040.01116.38
8.3.50.0100.00721.98
8.3.40.0080.00818.84
8.3.30.0190.00318.54
8.3.20.0000.01520.37
8.3.10.0050.00323.66
8.3.00.0090.00019.68
8.2.180.0120.00316.50
8.2.170.0170.01022.96
8.2.160.0070.00719.29
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0080.00021.12
8.2.120.0040.00426.35
8.2.110.0040.00422.03
8.2.100.0060.00617.93
8.2.90.0000.00719.09
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0030.00617.93
8.2.50.0000.00818.07
8.2.40.0040.00422.24
8.2.30.0030.00320.55
8.2.20.0000.00717.66
8.2.10.0030.00517.94
8.2.00.0050.00217.89
8.1.280.0070.00725.92
8.1.270.0030.00520.37
8.1.260.0070.00028.09
8.1.250.0050.00328.09
8.1.240.0090.00023.79
8.1.230.0110.00017.77
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00316.99
8.1.190.0080.00017.22
8.1.180.0040.00418.10
8.1.170.0000.00718.50
8.1.160.0050.00320.65
8.1.150.0050.00218.66
8.1.140.0030.00619.35
8.1.130.0000.00717.46
8.1.120.0040.00417.22
8.1.110.0030.00617.18
8.1.100.0000.00817.29
8.1.90.0040.00417.33
8.1.80.0000.00817.21
8.1.70.0030.00517.29
8.1.60.0040.00417.35
8.1.50.0040.00417.33
8.1.40.0000.00817.28
8.1.30.0090.00017.44
8.1.20.0040.00417.46
8.1.10.0040.00417.34
8.1.00.0050.00317.27
8.0.300.0050.00318.77
8.0.290.0040.00416.63
8.0.280.0050.00318.32
8.0.270.0030.00317.23
8.0.260.0030.00317.11
8.0.250.0000.00716.86
8.0.240.0030.00316.84
8.0.230.0030.00316.84
8.0.220.0000.00716.79
8.0.210.0030.00416.78
8.0.200.0060.00016.69
8.0.190.0020.00516.68
8.0.180.0040.00416.81
8.0.170.0020.00516.85
8.0.160.0040.00416.77
8.0.150.0040.00416.60
8.0.140.0070.00016.64
8.0.130.0000.00713.21
8.0.120.0040.00416.78
8.0.110.0000.00816.67
8.0.100.0080.00016.61
8.0.90.0040.00416.66
8.0.80.0110.00616.82
8.0.70.0040.00416.80
8.0.60.0040.00416.62
8.0.50.0050.00216.75
8.0.30.0080.01016.78
8.0.20.0130.00517.40
8.0.10.0040.00416.93
8.0.00.0090.00916.56
7.4.330.0050.00016.69
7.4.320.0070.00016.38
7.4.300.0030.00316.29
7.4.290.0070.00416.37
7.4.280.0050.00316.34
7.4.270.0050.00316.48
7.4.260.0040.00416.47
7.4.250.0040.00416.33
7.4.240.0070.00116.48
7.4.230.0070.00016.36
7.4.220.0100.01016.30
7.4.210.0040.01116.50
7.4.200.0030.00316.55
7.4.160.0070.00716.29
7.4.150.0110.01117.40
7.4.140.0090.00717.86
7.4.130.0080.00816.39
7.4.120.0040.01416.38
7.4.110.0110.00816.34
7.4.100.0070.01116.64
7.4.90.0070.01016.25
7.4.80.0100.01019.39
7.4.70.0070.01016.56
7.4.60.0060.00916.39
7.4.50.0130.00016.52
7.4.40.0130.00316.35
7.4.30.0060.01516.55
7.4.00.0110.00314.68
7.3.330.0070.00013.05
7.3.320.0060.00012.97
7.3.310.0030.00416.09
7.3.300.0040.00416.00
7.3.290.0070.00716.11
7.3.280.0050.00916.11
7.3.270.0070.01017.40
7.3.260.0120.00816.41
7.3.250.0120.00916.31
7.3.240.0120.00716.21
7.3.230.0130.01016.39
7.3.210.0160.00616.34
7.3.200.0030.01316.21
7.3.190.0030.01316.34
7.3.180.0100.00716.29
7.3.170.0050.01316.29
7.3.160.0030.01616.34
7.2.330.0090.00916.56
7.2.320.0130.01016.35
7.2.310.0070.01016.55
7.2.300.0100.00616.42
7.2.290.0150.00416.31
7.2.60.0040.00716.71
7.1.200.0070.00715.47
7.1.70.0000.00717.07
7.1.60.0120.00319.05
7.1.50.0040.00816.75
7.1.00.0100.06722.36
7.0.200.0400.00914.25
7.0.60.4770.03719.91
7.0.50.0100.08017.80
7.0.40.0070.05720.03
7.0.30.0500.07020.17
7.0.20.0370.05720.12
7.0.10.0070.04320.04
7.0.00.0000.09320.00
5.6.280.0000.07021.09
5.6.210.0130.07320.69
5.6.200.0000.06018.13
5.6.190.0100.08320.41
5.6.180.0130.05020.39
5.6.170.0270.07720.45
5.6.160.0070.05320.52
5.6.150.0170.05718.21
5.6.140.0200.07018.11
5.6.130.0130.07018.11
5.6.120.0100.07321.14
5.6.110.0070.08321.02
5.6.100.0070.09021.03
5.6.90.0030.06021.09
5.6.80.0030.07320.36
5.5.350.4030.03720.43
5.5.340.0130.08017.98
5.5.330.0000.09020.23
5.5.320.0200.04720.31
5.5.310.0330.07020.18
5.5.300.0070.08017.98
5.5.290.0030.06717.95
5.5.280.0130.07720.76
5.5.270.0000.04320.76
5.5.260.0030.08720.86
5.5.250.0030.06020.45
5.5.240.0130.07320.27

preferences:
58.3 ms | 401 KiB | 5 Q