3v4l.org

run code in 300+ PHP versions simultaneously
<?php $domainNumber = "3"; if (!substr($domainNumber, 0, 1) == '_') { $domainNumber = "_$domainNumber"; } var_dump($domainNumber);

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)
8.3.60.0090.00916.75
8.3.50.0100.01017.37
8.3.40.0070.01418.79
8.3.30.0170.00418.63
8.3.20.0050.00318.65
8.3.10.0000.00818.60
8.3.00.0080.00019.26
8.2.180.0090.00616.38
8.2.170.0100.00722.96
8.2.160.0070.00721.00
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00020.88
8.2.110.0030.00620.53
8.2.100.0060.00617.84
8.2.90.0080.00019.28
8.2.80.0000.00817.97
8.2.70.0030.00617.49
8.2.60.0090.00018.03
8.2.50.0000.00818.07
8.2.40.0050.00318.09
8.2.30.0030.00717.92
8.2.20.0040.00417.60
8.2.10.0050.00217.68
8.2.00.0040.00417.58
8.1.280.0150.00325.92
8.1.270.0080.00024.66
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0090.00022.01
8.1.230.0110.00017.42
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0100.00017.23
8.1.190.0000.00717.41
8.1.180.0000.00818.10
8.1.170.0040.00418.89
8.1.160.0030.00318.84
8.1.150.0030.00618.54
8.1.140.0080.00017.36
8.1.130.0030.00517.81
8.1.120.0050.00317.49
8.1.110.0030.00617.49
8.1.100.0000.00817.44
8.1.90.0050.00217.41
8.1.80.0040.00417.43
8.1.70.0000.00817.39
8.1.60.0000.00917.43
8.1.50.0030.00617.37
8.1.40.0030.00517.48
8.1.30.0050.00317.65
8.1.20.0040.00417.63
8.1.10.0060.00317.46
8.1.00.0040.00417.39
8.0.300.0040.00418.77
8.0.290.0020.00516.63
8.0.280.0040.00418.46
8.0.270.0030.00317.15
8.0.260.0030.00516.79
8.0.250.0050.00316.82
8.0.240.0040.00416.95
8.0.230.0030.00316.89
8.0.220.0030.00316.88
8.0.210.0070.00016.91
8.0.200.0060.00016.82
8.0.190.0030.00516.84
8.0.180.0070.00016.92
8.0.170.0000.00916.93
8.0.160.0040.00416.87
8.0.150.0030.00616.85
8.0.140.0030.00416.86
8.0.130.0000.00713.31
8.0.120.0000.00716.82
8.0.110.0040.00416.77
8.0.100.0000.00816.77
8.0.90.0000.00716.99
8.0.80.0090.00616.80
8.0.70.0070.00016.79
8.0.60.0040.00416.88
8.0.50.0040.00416.89
8.0.30.0060.01216.88
8.0.20.0120.00817.09
8.0.10.0000.00717.04
8.0.00.0120.01316.52
7.4.330.0000.00513.05
7.4.320.0000.00616.50
7.4.300.0000.00616.56
7.4.290.0030.00316.52
7.4.280.0030.00516.49
7.4.270.0000.00816.63
7.4.260.0000.00513.20
7.4.250.0000.00916.53
7.4.240.0020.00616.63
7.4.230.0070.00016.34
7.4.220.0090.00916.46
7.4.210.0040.01016.57
7.4.200.0000.00716.49
7.4.190.0000.00716.70
7.4.160.0180.00316.38
7.4.150.0480.02816.50
7.4.140.0110.01016.44
7.4.130.0100.00816.47
7.4.120.0060.01116.49
7.4.110.0120.00916.63
7.4.100.0070.01116.61
7.4.90.0130.01016.38
7.4.80.0060.00916.36
7.4.70.0090.00916.47
7.4.60.0100.00716.43
7.4.50.0080.00416.55
7.4.40.0090.00616.33
7.4.30.0130.00316.42
7.4.00.0040.00814.55
7.3.330.0070.00013.03
7.3.320.0030.00313.04
7.3.310.0040.00416.04
7.3.300.0030.00316.18
7.3.290.0080.00816.19
7.3.280.0120.00516.19
7.3.270.0090.00916.20
7.3.260.0130.00616.21
7.3.250.0110.01016.20
7.3.240.0120.00616.53
7.3.230.0060.01116.19
7.3.210.0060.01116.47
7.3.200.0060.01219.39
7.3.190.0090.00816.30
7.3.180.0070.00716.09
7.3.170.0060.01416.25
7.3.160.0120.00316.47
7.3.120.0080.00414.81
7.3.10.0090.00316.39
7.3.00.0080.00416.21
7.2.330.0250.03416.66
7.2.320.0070.01016.43
7.2.310.0070.01016.39
7.2.300.0130.00316.39
7.2.290.0100.00616.29
7.2.130.0100.00316.54
7.2.120.0000.01416.68
7.2.110.0000.01516.69
7.2.100.0040.00816.66
7.2.90.0090.00016.85
7.2.80.0090.00316.64
7.2.70.0070.00716.71
7.2.60.0050.00516.99
7.2.50.0070.00416.57
7.2.40.0070.01016.83
7.2.30.0000.01316.82
7.2.20.0040.00716.86
7.2.10.0000.01616.66
7.2.00.0050.00918.06
7.1.250.0000.01315.39
7.1.100.0650.01016.05
7.1.70.0000.01217.15
7.1.60.0160.00919.40
7.1.50.0210.01434.60
7.1.00.0130.05022.31
7.0.200.0100.01014.87
7.0.140.0070.07022.21
7.0.120.0030.06322.07
7.0.60.0070.07019.82
7.0.50.0100.07717.80
7.0.40.0070.05320.23
7.0.30.0030.06020.13
7.0.20.0230.03720.19
7.0.10.0270.07720.12
7.0.00.0100.08720.16
5.6.210.0070.08020.54
5.6.200.0070.04718.17
5.6.190.0030.08720.37
5.6.180.0300.03020.65
5.6.170.0200.07320.54
5.6.160.0070.06020.52
5.6.150.0070.06718.22
5.6.140.0070.03718.18
5.6.130.0100.08018.11
5.6.120.0070.06021.00
5.6.110.0070.05720.99
5.6.100.0130.04320.88
5.6.90.0100.05021.00
5.6.80.0170.07020.35
5.6.70.0370.06320.27
5.5.350.0270.06720.38
5.5.340.0030.09018.02
5.5.330.0100.05020.39
5.5.320.0270.07320.13
5.5.310.0330.07020.24
5.5.300.0030.05317.92
5.5.290.0070.07017.96
5.5.280.0100.08020.89
5.5.270.0100.06020.79
5.5.260.0030.04020.95
5.5.250.0030.06720.58
5.5.240.0170.07020.12
5.4.450.0000.04319.24
5.4.440.0030.04019.11
5.4.430.0000.04019.13
5.4.420.0030.04319.23
5.4.410.0030.03719.28
5.4.400.0070.03319.18
5.4.390.0000.04319.04
5.4.380.0070.03319.12
5.4.370.0000.04319.14
5.4.360.0030.03718.80
5.4.350.0030.04019.09
5.4.340.0030.03719.00
5.4.320.0030.04018.91
5.4.310.0030.05019.18
5.4.300.0070.06019.00
5.4.290.0100.04019.13
5.4.280.0170.06719.01
5.4.270.0070.07319.00
5.4.260.0100.06319.11
5.4.250.0070.08019.09
5.4.240.0000.05018.92
5.4.230.0100.07019.00
5.4.220.0000.05719.13
5.4.210.0070.05718.80
5.4.200.0100.05019.18
5.4.190.0030.07318.88
5.4.180.0070.07719.16
5.4.170.0100.05719.08
5.4.160.0070.04019.15
5.4.150.0130.06319.17
5.4.140.0130.07016.27
5.4.130.0030.05316.28
5.4.120.0100.05016.25
5.4.110.0070.06716.39
5.4.100.0030.05316.29
5.4.90.0000.05716.41
5.4.80.0030.05016.13
5.4.70.0030.05316.44
5.4.60.0130.06316.24
5.4.50.0070.04716.12
5.4.40.0030.06716.25
5.4.30.0100.06716.12
5.4.20.0170.06016.27
5.4.10.0130.05016.38
5.4.00.0030.07715.66
5.3.290.0100.07314.45
5.3.280.0030.06714.55
5.3.270.0130.07314.53
5.3.260.0070.03314.56
5.3.250.0070.07314.48
5.3.240.0000.05014.52
5.3.230.0030.06014.53
5.3.220.0070.07314.50
5.3.210.0070.07714.44
5.3.200.0030.06714.50
5.3.190.0030.06314.48
5.3.180.0070.07714.49
5.3.170.0000.08314.51
5.3.160.0030.07014.57
5.3.150.0100.07714.50
5.3.140.0030.07014.49
5.3.130.0100.06714.48
5.3.120.0130.07314.62
5.3.110.0100.05314.47
5.3.100.0130.04713.91
5.3.90.0100.06013.94
5.3.80.0100.06713.98
5.3.70.0030.04013.80
5.3.60.0030.04313.79
5.3.50.0130.06313.77
5.3.40.0000.08713.76
5.3.30.0100.06313.84
5.3.20.0100.03713.64
5.3.10.0030.07713.47
5.3.00.0030.07713.57
5.2.170.0030.03711.08
5.2.160.0030.03310.96
5.2.150.0030.04711.09
5.2.140.0030.04311.15
5.2.130.0070.04710.93
5.2.120.0070.06011.09
5.2.110.0030.04710.92
5.2.100.0030.03711.03
5.2.90.0030.03011.05
5.2.80.0070.02711.03
5.2.70.0030.03711.03
5.2.60.0000.06311.03
5.2.50.0070.06311.16
5.2.40.0030.05010.93
5.2.30.0030.04010.96
5.2.20.0030.03010.88
5.2.10.0070.06010.85
5.2.00.0070.04710.75
5.1.60.0000.0409.98
5.1.50.0030.03710.01
5.1.40.0030.02310.12
5.1.30.0030.02710.22
5.1.20.0070.02310.33
5.1.10.0130.0479.96
5.1.00.0030.06010.05
5.0.50.0000.0478.58
5.0.40.0100.0308.42
5.0.30.0070.0638.21
5.0.20.0070.0238.25
5.0.10.0030.0208.22
5.0.00.0030.0378.05
4.4.90.0070.0177.87
4.4.80.0030.0277.87
4.4.70.0000.0377.87
4.4.60.0070.0277.87
4.4.50.0030.0207.87
4.4.40.0000.0577.87
4.4.30.0070.0107.87
4.4.20.0000.0277.87
4.4.10.0070.0307.87
4.4.00.0000.0577.87
4.3.110.0000.0407.87
4.3.100.0000.0237.87
4.3.90.0000.0207.87
4.3.80.0000.0407.87
4.3.70.0000.0337.87
4.3.60.0000.0207.87
4.3.50.0070.0307.87
4.3.40.0000.0477.87
4.3.30.0030.0207.87
4.3.20.0000.0277.87
4.3.10.0000.0307.87
4.3.00.0030.0377.87

preferences:
47.93 ms | 401 KiB | 5 Q