3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr("PSG", (int)(chr(45)."02"));

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)
8.3.60.0100.01016.50
8.3.50.0070.01321.92
8.3.40.0110.00418.67
8.3.30.0090.00618.57
8.3.20.0040.00420.04
8.3.10.0080.00023.66
8.3.00.0040.00419.26
8.2.180.0130.00318.41
8.2.170.0030.01722.96
8.2.160.0070.00722.04
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00020.65
8.2.110.0080.00022.14
8.2.100.0100.00319.45
8.2.90.0000.00817.63
8.2.80.0040.00418.79
8.2.70.0050.00317.50
8.2.60.0040.00417.63
8.2.50.0060.00317.50
8.2.40.0000.00817.62
8.2.30.0000.00817.67
8.2.20.0040.00417.70
8.2.10.0020.00517.99
8.2.00.0030.00617.91
8.1.280.0150.00325.92
8.1.270.0030.00623.96
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0040.00420.47
8.1.230.0040.00717.70
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0000.00817.22
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0040.00417.62
8.1.160.0000.00818.75
8.1.150.0070.00018.73
8.1.140.0080.00019.55
8.1.130.0000.00717.63
8.1.120.0040.00417.33
8.1.110.0050.00317.30
8.1.100.0040.00417.32
8.1.90.0040.00417.32
8.1.80.0040.00417.30
8.1.70.0030.00317.31
8.1.60.0070.00017.48
8.1.50.0040.00417.39
8.1.40.0050.00517.30
8.1.30.0000.00817.49
8.1.20.0050.00317.50
8.1.10.0040.00417.31
8.1.00.0040.00417.39
8.0.300.0000.00818.77
8.0.290.0000.00816.63
8.0.280.0050.00317.89
8.0.270.0040.00418.00
8.0.260.0030.00317.21
8.0.250.0030.00616.86
8.0.240.0040.00416.98
8.0.230.0000.00716.85
8.0.220.0070.00016.82
8.0.210.0040.00416.88
8.0.200.0030.00316.75
8.0.190.0030.00616.89
8.0.180.0040.00416.82
8.0.170.0000.01216.88
8.0.160.0070.00016.71
8.0.150.0030.00316.82
8.0.140.0040.00416.83
8.0.130.0060.00013.27
8.0.120.0050.00316.71
8.0.110.0020.00516.71
8.0.100.0000.00716.71
8.0.90.0000.00716.68
8.0.80.0030.01316.77
8.0.70.0000.00716.84
8.0.60.0040.00416.82
8.0.50.0080.00016.78
8.0.30.0140.00417.09
8.0.20.0110.00817.40
8.0.10.0000.00816.81
8.0.00.0120.00516.64
7.4.330.0050.00015.08
7.4.320.0030.00316.40
7.4.300.0040.00416.48
7.4.290.0030.00316.46
7.4.280.0040.00416.41
7.4.270.0030.00316.47
7.4.260.0000.00716.34
7.4.250.0030.00516.43
7.4.240.0040.00416.47
7.4.230.0000.00616.35
7.4.220.0040.01516.40
7.4.210.0080.00716.41
7.4.200.0000.00716.26
7.4.160.0150.00016.58
7.4.150.0150.00317.40
7.4.140.0100.01217.86
7.4.130.0090.01116.48
7.4.120.0080.00816.41
7.4.110.0140.00416.45
7.4.100.0070.01116.32
7.4.90.0120.00616.24
7.4.80.0150.00319.39
7.4.70.0120.00416.39
7.4.60.0080.00916.45
7.4.50.0040.00416.19
7.4.40.0060.00916.35
7.4.30.0040.01816.40
7.4.00.0040.01114.88
7.3.330.0020.00213.03
7.3.320.0000.00513.02
7.3.310.0000.00716.26
7.3.300.0040.00416.17
7.3.290.0070.00016.05
7.3.280.0150.00216.20
7.3.270.0070.01017.40
7.3.260.0110.00816.20
7.3.250.0100.00616.14
7.3.240.0070.01016.33
7.3.230.0120.00616.39
7.3.210.0100.00716.29
7.3.200.0060.01616.28
7.3.190.0100.01016.34
7.3.180.0060.00916.18
7.3.170.0000.01616.27
7.3.160.0060.01016.32
7.3.10.0050.00516.25
7.3.00.0030.01016.30
7.2.330.0130.01016.59
7.2.320.0130.01316.41
7.2.310.0090.01216.36
7.2.300.0130.00316.46
7.2.290.0070.01116.39
7.2.130.0110.00316.16
7.2.120.0080.00416.31
7.2.110.0000.00916.34
7.2.100.0100.00716.45
7.2.90.0090.00316.55
7.2.80.0000.01216.32
7.2.70.0120.00616.31
7.2.60.0080.00616.39
7.2.50.0120.00516.79
7.2.40.0120.00016.63
7.2.30.0110.00716.31
7.2.20.0100.00516.44
7.2.10.0000.01116.08
7.2.00.0040.00816.70
7.1.250.0070.00315.52
7.1.200.0060.00615.77
7.1.70.0040.01117.13
7.1.60.0040.01119.43
7.1.50.0140.01016.93
7.1.00.0030.07722.36
7.0.200.0310.00714.80
7.0.60.0070.07719.84
7.0.50.0100.07717.88
7.0.40.0100.07720.40
7.0.30.0270.08020.35
7.0.20.0300.07320.33
7.0.10.0030.04720.09
7.0.00.0130.07719.99
5.6.280.0030.07020.85
5.6.210.0130.06020.70
5.6.200.0070.05318.18
5.6.190.0100.07020.61
5.6.180.0330.05320.36
5.6.170.0230.07720.61
5.6.160.0030.04720.51
5.6.150.0070.06718.08
5.6.140.0070.06718.11
5.6.130.0130.08018.11
5.6.120.0130.03021.14
5.6.110.0100.08021.12
5.6.100.0030.07721.03
5.6.90.0130.07320.99
5.6.80.0130.07720.32
5.5.350.0430.06020.41
5.5.340.0100.08017.98
5.5.330.0000.04320.43
5.5.320.0300.08020.32
5.5.310.0270.07320.21
5.5.300.0000.05017.95
5.5.290.0030.08017.88
5.5.280.0100.04320.64
5.5.270.0000.04320.75
5.5.260.0030.06320.95
5.5.250.0070.07320.57
5.5.240.0030.07020.33
5.4.450.0700.06019.13
5.4.440.0700.06319.54
5.4.430.0700.05719.41
5.4.420.0600.06719.59
5.4.410.0530.07719.45
5.4.400.0270.05718.95
5.4.390.0230.08319.20
5.4.380.0500.06019.16
5.4.370.0470.06019.09
5.4.360.0500.06018.92
5.4.350.0570.09018.95
5.4.340.0500.08019.19
5.4.320.0570.08019.15
5.4.310.0600.07719.30
5.4.300.0330.06018.94
5.4.290.0630.06719.13
5.4.280.0530.05719.31
5.4.270.0570.05019.31
5.4.260.0400.06319.13
5.4.250.0130.06019.30
5.4.240.0330.07019.11
5.4.230.0230.07019.07
5.4.220.0430.06019.30
5.4.210.0570.07019.21
5.4.200.0230.05019.19
5.4.190.0330.06719.15
5.4.180.0170.07718.79
5.4.170.0570.07718.98
5.4.160.0330.08019.06
5.4.150.0530.07719.23
5.4.140.0270.05716.50
5.4.130.0430.04316.29
5.4.120.0570.04316.33
5.4.110.0230.05316.45
5.4.100.0430.07016.46
5.4.90.0430.06316.46
5.4.80.0300.07316.20
5.4.70.0100.06016.35
5.4.60.0230.06016.50
5.4.50.0130.06316.20
5.4.40.0430.04316.36
5.4.30.0330.04716.51
5.4.20.0270.06016.04
5.4.10.0400.05316.46
5.4.00.0270.05315.80

preferences:
50.83 ms | 401 KiB | 5 Q