3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "This is my test string"; $length = strlen($string); for ($i = 0; $i < $length; $i++) { $string[$i] = $i % 2 === 0 ? $string[$i] : "*"; } echo $string;

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)
8.5.10.0080.01016.77
8.5.00.0110.01120.07
8.4.160.0170.00819.74
8.4.150.0020.00114.05
8.4.140.0120.00917.53
8.4.130.0140.00719.32
8.4.120.0090.01020.68
8.4.110.0130.00722.34
8.4.100.0100.01017.65
8.4.90.0120.00618.57
8.4.80.0140.00717.83
8.4.70.0040.00517.89
8.4.60.0140.00418.91
8.4.50.0110.00820.32
8.4.40.0190.00317.80
8.4.30.0100.01017.77
8.4.20.0130.00720.36
8.4.10.0130.00317.49
8.3.280.0120.01018.44
8.3.270.0100.00916.40
8.3.260.0130.00616.50
8.3.250.0070.01218.87
8.3.240.0070.01016.68
8.3.230.0040.00416.67
8.3.220.0130.00416.96
8.3.210.0110.00618.45
8.3.200.0050.00316.46
8.3.190.0110.00716.97
8.3.180.0110.00816.49
8.3.170.0150.00316.96
8.3.160.0110.00716.40
8.3.150.0150.00020.54
8.3.140.0150.00317.08
8.3.130.0180.00616.56
8.3.120.0190.00516.50
8.3.110.0180.00718.56
8.3.100.0220.00317.41
8.3.90.0150.00316.51
8.3.80.0110.00517.46
8.3.70.0150.00716.53
8.3.60.0130.00517.34
8.3.50.0140.00516.42
8.3.40.0180.00718.21
8.3.30.0170.00918.08
8.3.20.0150.00718.79
8.3.10.0110.01120.51
8.3.00.0110.00817.70
8.2.290.0090.00820.29
8.2.280.0110.00718.27
8.2.270.0130.00617.00
8.2.260.0000.01316.57
8.2.250.0150.00816.63
8.2.240.0180.00816.57
8.2.230.0210.00219.39
8.2.220.0100.01120.13
8.2.210.0170.00521.68
8.2.200.0160.00616.54
8.2.190.0160.01016.38
8.2.180.0200.00721.07
8.2.170.0270.00918.30
8.2.160.0200.01220.31
8.2.150.0180.00621.57
8.2.140.0280.00020.97
8.2.130.0160.00821.86
8.2.120.0180.00421.80
8.2.110.0230.00319.01
8.2.100.0190.00317.65
8.2.90.0180.00519.00
8.2.80.0220.00217.72
8.2.70.0180.00617.87
8.2.60.0120.01117.75
8.2.50.0200.00417.94
8.2.40.0200.00318.97
8.2.30.0160.00718.39
8.2.20.0230.00317.68
8.2.10.0140.00417.82
8.2.00.0190.00217.77
8.1.330.0100.00921.73
8.1.320.0110.00816.22
8.1.310.0060.01218.30
8.1.300.0150.01017.09
8.1.290.0190.00517.53
8.1.280.0180.01021.05
8.1.270.0210.00320.63
8.1.260.0180.00721.76
8.1.250.0140.01022.68
8.1.240.0170.00520.53
8.1.230.0180.00620.52
8.1.220.0150.00717.54
8.1.210.0220.00317.98
8.1.200.0180.00617.25
8.1.190.0140.00817.29
8.1.180.0160.00517.55
8.1.170.0150.00517.79
8.1.160.0160.00517.90
8.1.150.0120.01218.66
8.1.140.0110.00617.47
8.1.130.0130.00417.91
8.1.120.0090.00917.38
8.1.110.0110.00417.42
8.1.100.0080.00617.37
8.1.90.0140.00317.33
8.1.80.0130.00717.33
8.1.70.0160.00417.29
8.1.60.0170.00517.61
8.1.50.0200.00317.51
8.1.40.0180.00417.44
8.1.30.0220.00617.50
8.1.20.0160.00617.48
8.1.10.0160.00617.46
8.1.00.0150.00717.38
8.0.300.0140.00818.05
8.0.290.0130.00816.58
8.0.280.0160.00717.38
8.0.270.0180.00616.64
8.0.260.0140.00316.72
8.0.250.0200.00016.63
8.0.240.0160.00316.78
8.0.230.0130.00816.77
8.0.220.0160.00416.69
8.0.210.0160.00516.58
8.0.200.0170.00116.71
8.0.190.0130.00716.63
8.0.180.0120.00616.75
8.0.170.0160.00316.71
8.0.160.0120.00516.68
8.0.150.0120.00516.68
8.0.140.0120.00416.67
8.0.130.0100.00715.34
8.0.120.0130.00516.58
8.0.110.0120.00516.63
8.0.100.0120.00616.78
8.0.90.0110.00816.61
8.0.80.0120.00916.71
8.0.70.0150.00216.61
8.0.60.0110.00916.74
8.0.50.0180.00116.65
8.0.30.0150.00616.82
8.0.20.0150.00517.11
8.0.10.0100.01016.88
8.0.00.0140.00916.85
7.4.330.0160.00216.06
7.4.320.0130.00616.36
7.4.300.0150.00416.34
7.4.290.0150.00416.44
7.4.280.0170.00216.49
7.4.270.0140.00616.44
7.4.260.0140.00616.38
7.4.250.0180.00716.38
7.4.240.0170.00316.31
7.4.230.0110.00916.38
7.4.220.0150.00216.38
7.4.210.0190.00516.44
7.4.200.0140.00416.45
7.4.190.0160.00916.29
7.4.180.0230.00316.40
7.4.160.0110.00916.44
7.4.150.0160.01216.70
7.4.140.0110.00817.32
7.4.130.0160.00716.40
7.4.120.0110.01116.42
7.4.110.0170.00516.26
7.4.100.0140.00816.42
7.4.90.0150.00716.39
7.4.80.0130.00917.35
7.4.70.0140.00816.37
7.4.60.0160.00516.37
7.4.50.0150.00616.30
7.4.40.0120.01016.32
7.4.30.0180.00516.31
7.4.20.0210.00416.29
7.4.10.0130.01216.36
7.4.00.0130.00715.78
7.3.330.0090.00715.29
7.3.320.0110.00615.23
7.3.310.0120.00616.32
7.3.300.0150.00316.28
7.3.290.0120.00416.25
7.3.280.0130.00516.28
7.3.270.0130.00616.64
7.3.260.0130.00616.32
7.3.250.0130.00516.25
7.3.240.0100.00716.41
7.3.230.0150.00316.30
7.3.220.0160.00016.24
7.3.210.0120.00416.37
7.3.200.0070.00816.31
7.3.190.0130.00916.34
7.3.180.0130.00916.26
7.3.170.0120.01016.27
7.3.160.0150.00616.32
7.3.150.0240.00216.24
7.3.140.0210.00416.24
7.3.130.0190.00416.24
7.3.120.0210.00016.26
7.3.110.0180.00316.24
7.3.100.0180.00516.24
7.3.90.0200.00216.34
7.3.80.0180.00816.24
7.3.70.0160.00416.28
7.3.60.0240.00416.31
7.3.50.0190.00716.27
7.3.40.0220.00216.35
7.3.30.0180.00516.24
7.3.20.0210.00516.27
7.3.10.0220.00416.24
7.3.00.0210.00616.27
7.2.340.0200.00316.24
7.2.330.0190.00316.52
7.2.320.0200.00416.29
7.2.310.0160.00716.32
7.2.300.0160.00616.44
7.2.290.0130.00916.37
7.2.280.0180.00716.24
7.2.270.0180.00716.31
7.2.260.0180.00716.26
7.2.250.0180.00716.24
7.2.240.0180.00516.30
7.2.230.0190.00616.26
7.2.220.0140.01116.24
7.2.210.0200.00616.31
7.2.200.0220.00016.54
7.2.190.0170.00516.33
7.2.180.0210.00616.33
7.2.170.0190.00516.36
7.2.160.0210.00216.41
7.2.150.0210.00516.46
7.2.140.0240.00316.30
7.2.130.0210.00416.43
7.2.120.0220.00616.56
7.2.110.0220.00816.52
7.2.100.0240.00716.56
7.2.90.0210.00716.34
7.2.80.0220.00816.56
7.2.70.0230.00316.56
7.2.60.0130.00816.63
7.2.50.0220.00516.52
7.2.40.0210.00516.33
7.2.30.0290.00716.55
7.2.20.0160.01117.04
7.2.10.0180.01016.98
7.2.00.0150.01217.07
7.1.330.0180.00516.24
7.1.320.0180.00416.24
7.1.310.0170.00316.24
7.1.300.0140.00416.24
7.1.290.0180.00316.24
7.1.280.0220.00616.24
7.1.270.0170.00816.24
7.1.260.0160.00616.24
7.1.250.0160.00416.24
7.1.240.0140.00616.24
7.1.230.0500.00316.24
7.1.220.0130.00716.24
7.1.210.0170.00716.24
7.1.200.0160.00616.01
7.1.190.0250.00016.24
7.1.180.0170.00616.24
7.1.170.0190.00516.24
7.1.160.0180.00816.24
7.1.150.0360.00616.24
7.1.140.0690.00616.46
7.1.130.0190.00716.45
7.1.120.0180.00616.48
7.1.110.0290.00916.21
7.1.100.0170.00816.31
7.1.90.0190.00716.21
7.1.80.0190.00716.22
7.1.70.0170.00715.94
7.1.60.0240.00721.79
7.1.50.0220.00721.77
7.1.40.0180.01421.70
7.1.30.0220.00721.62
7.1.20.0210.00721.64
7.1.10.0440.00615.77
7.1.00.0140.00715.72
7.0.330.0170.00616.24
7.0.320.0190.00516.24
7.0.310.0210.00216.24
7.0.300.0240.00016.24
7.0.290.0170.00716.24
7.0.280.0190.00416.24
7.0.270.0370.00516.24
7.0.260.0190.00616.24
7.0.250.0160.00816.24
7.0.240.0230.00516.24
7.0.230.0220.00216.24
7.0.220.0180.00616.24
7.0.210.0210.00316.24
7.0.200.0180.00716.24
7.0.190.0150.01016.24
7.0.180.0170.00816.24
7.0.170.0180.00616.24
7.0.160.0170.00716.24
7.0.150.0210.00316.24
7.0.140.0210.00416.24
7.0.130.0420.00516.24
7.0.120.0120.00316.24
7.0.110.0170.00716.24
7.0.100.0220.00116.24
7.0.90.0140.00916.24
7.0.80.0220.00116.24
7.0.70.0170.00716.24
7.0.60.0130.01016.24
7.0.50.0240.00716.24
7.0.40.0180.00516.24
7.0.30.0150.00516.24
7.0.20.0180.00516.24
7.0.10.0240.00616.24
7.0.00.0230.00216.24
5.6.400.0160.00616.24
5.6.390.0170.00516.24
5.6.380.0170.00516.24
5.6.370.0170.00516.24
5.6.360.0170.00616.24
5.6.350.0150.00916.24
5.6.340.0190.00416.24
5.6.330.0160.00616.24
5.6.320.0160.00616.24
5.6.310.0150.00716.24
5.6.300.0180.00416.24
5.6.290.0170.00416.24
5.6.280.0120.00716.24
5.6.270.0210.00416.24
5.6.260.0210.00016.24
5.6.250.0130.00716.24
5.6.240.0200.00316.24
5.6.230.0170.00416.24
5.6.220.0180.00316.24
5.6.210.0160.00516.24
5.6.200.0190.00316.24
5.6.190.0200.00216.24
5.6.180.0160.00616.24
5.6.170.0160.00616.24
5.6.160.0210.00016.24
5.6.150.0160.00416.24
5.6.140.0130.00616.24
5.6.130.0150.00716.24
5.6.120.0210.00216.24
5.6.110.0190.00216.24
5.6.100.0200.00216.24
5.6.90.0180.00416.24
5.6.80.0170.00516.24
5.6.70.0140.00816.24
5.6.60.0210.00016.24
5.6.50.0150.00416.24
5.6.40.0150.00316.24
5.6.30.0150.00516.24
5.6.20.0140.00716.24
5.6.10.0140.00816.24
5.6.00.0170.00516.24

preferences:
37.33 ms | 403 KiB | 5 Q