3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! $cParentID = 0; var_dump($cParentID != null); var_dump($cParentID != 0); var_dump($cParentID);

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)
8.3.60.0110.00716.74
8.3.50.0180.00317.38
8.3.40.0140.00318.48
8.3.30.0150.00018.29
8.3.20.0030.00518.54
8.3.10.0080.00018.44
8.3.00.0000.00719.13
8.2.180.0070.00716.38
8.2.170.0110.01122.96
8.2.160.0110.00421.05
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0060.00318.84
8.2.110.0080.00321.18
8.2.100.0080.00417.72
8.2.90.0000.00819.30
8.2.80.0040.00419.40
8.2.70.0080.00017.63
8.2.60.0000.00817.93
8.2.50.0000.00918.07
8.2.40.0030.00618.22
8.2.30.0040.00417.91
8.2.20.0040.00419.49
8.2.10.0040.00417.65
8.2.00.0060.00517.65
8.1.280.0130.00725.92
8.1.270.0080.00024.66
8.1.260.0110.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.46
8.1.230.0040.00820.92
8.1.220.0030.00517.74
8.1.210.0030.00618.81
8.1.200.0000.00917.10
8.1.190.0030.00517.41
8.1.180.0060.00318.10
8.1.170.0040.00418.72
8.1.160.0000.00718.80
8.1.150.0000.00718.53
8.1.140.0040.00417.37
8.1.130.0030.00317.79
8.1.120.0000.00717.38
8.1.110.0040.00417.34
8.1.100.0040.00417.51
8.1.90.0000.00817.34
8.1.80.0070.00017.41
8.1.70.0080.00017.37
8.1.60.0060.00617.60
8.1.50.0050.00317.30
8.1.40.0000.00817.47
8.1.30.0000.00817.64
8.1.20.0060.00317.58
8.1.10.0000.00817.48
8.1.00.0040.00417.29
8.0.300.0000.00719.95
8.0.290.0040.00416.75
8.0.280.0030.00318.41
8.0.270.0020.00517.16
8.0.260.0030.00316.67
8.0.250.0040.00416.93
8.0.240.0050.00316.85
8.0.230.0000.00716.97
8.0.220.0030.00316.89
8.0.210.0040.00416.80
8.0.200.0060.00016.80
8.0.190.0000.00716.91
8.0.180.0000.00716.83
8.0.170.0060.00316.91
8.0.160.0030.00516.92
8.0.150.0050.00316.89
8.0.140.0040.00416.73
8.0.130.0060.00013.26
8.0.120.0040.00416.88
8.0.110.0000.00816.81
8.0.100.0030.00316.87
8.0.90.0020.00516.69
8.0.80.0030.01116.88
8.0.70.0050.00216.82
8.0.60.0050.00316.98
8.0.50.0000.00816.89
8.0.30.0090.00917.23
8.0.20.0090.01017.16
8.0.10.0000.00716.81
8.0.00.0070.00916.65
7.4.330.0020.00212.96
7.4.320.0000.00716.59
7.4.300.0030.00316.38
7.4.290.0070.00016.62
7.4.280.0040.00416.53
7.4.270.0040.00416.63
7.4.260.0000.00513.20
7.4.250.0080.00016.56
7.4.240.0030.00416.50
7.4.230.0030.00316.63
7.4.220.0150.01216.61
7.4.210.0090.00616.49
7.4.200.0000.00716.52
7.4.190.0070.00016.71
7.4.160.0070.01016.51
7.4.150.0100.00716.45
7.4.140.0100.00816.42
7.4.130.0090.00916.51
7.4.120.0100.00816.52
7.4.110.0070.01016.45
7.4.100.0150.00616.58
7.4.90.0120.00416.41
7.4.80.0110.03119.39
7.4.70.0090.01416.57
7.4.60.0100.00716.62
7.4.50.0070.00316.31
7.4.40.0100.00716.54
7.4.30.0130.01016.48
7.4.00.0030.01014.59
7.3.330.0030.00313.03
7.3.320.0030.00313.12
7.3.310.0070.00016.19
7.3.300.0070.00016.14
7.3.290.0040.01116.09
7.3.280.0070.01116.22
7.3.270.0000.01616.63
7.3.260.0090.00916.64
7.3.250.0100.00816.22
7.3.240.0140.00316.26
7.3.230.0000.01616.27
7.3.210.0140.00916.36
7.3.200.0140.00716.19
7.3.190.0110.00816.22
7.3.180.0120.00316.36
7.3.170.0000.01616.50
7.3.160.0060.01316.28
7.3.120.0030.01014.96
7.3.10.0200.00016.14
7.3.00.0070.01416.29
7.2.330.0140.01016.16
7.2.320.0100.00716.57
7.2.310.0120.00416.38
7.2.300.0080.00916.55
7.2.290.0100.00616.54
7.2.130.0060.01315.96
7.2.120.0100.00816.83
7.2.110.0080.01016.58
7.2.100.0090.00616.41
7.2.90.0090.00915.99
7.2.80.0080.01116.78
7.2.70.0060.00916.82
7.2.60.0030.01116.80
7.2.50.0060.00916.55
7.2.40.0140.00016.31
7.2.30.0120.00516.71
7.2.20.0100.00616.65
7.2.10.0130.00316.24
7.2.00.0080.00817.78
7.1.250.0080.00815.95
7.1.200.0000.01015.57
7.1.100.0060.01018.04
7.1.70.0050.00217.18
7.1.60.0120.01219.40
7.1.50.0070.01416.92
7.1.00.0130.05722.41
7.0.200.0220.01014.74
7.0.140.0000.07721.93
7.0.120.0000.06322.09
7.0.60.0030.08719.96
7.0.50.0070.08317.85
7.0.40.0170.08320.02
7.0.30.0230.08020.04
7.0.20.0230.04320.16
7.0.10.0100.09020.32
7.0.00.0030.04320.19
5.6.210.0100.06720.66
5.6.200.0030.08718.11
5.6.190.0000.05020.61
5.6.180.0300.05020.41
5.6.170.0230.08020.54
5.6.160.0070.08020.38
5.6.150.0030.08318.17
5.6.140.0130.07018.10
5.6.130.0100.07718.11
5.6.120.0070.05020.99
5.6.110.0130.03021.13
5.6.100.0130.07720.98
5.6.90.0130.07720.96
5.6.80.0170.07020.37
5.5.350.0030.08320.48
5.5.340.0030.05017.98
5.5.330.0100.03720.29
5.5.320.0300.08720.24
5.5.310.0270.07320.50
5.5.300.0230.06318.01
5.5.290.0130.07717.89
5.5.280.0100.08320.96
5.5.270.0070.08320.78
5.5.260.0030.07320.83
5.5.250.0000.05020.60
5.5.240.0200.08020.27
5.4.450.0070.07019.12
5.4.440.0070.07719.25
5.4.430.0130.06319.23
5.4.420.0070.04719.23
5.4.410.0030.08019.12
5.4.400.0070.04319.01
5.4.390.0170.06719.17
5.4.380.0030.07718.78
5.4.370.0000.08319.08
5.4.360.0170.04018.80
5.4.350.0170.06719.08
5.4.340.0030.08018.79
5.4.320.0070.07719.16
5.4.310.0030.04019.08
5.4.300.0070.08319.08
5.4.290.0070.04319.11
5.4.280.0030.06019.17
5.4.270.0070.03718.92
5.4.260.0030.05719.17
5.4.250.0030.06718.80
5.4.240.0070.06319.17
5.4.230.0070.04718.99
5.4.220.0100.07319.14
5.4.210.0130.06319.13
5.4.200.0030.08319.07
5.4.190.0070.03718.78
5.4.180.0070.04318.77
5.4.170.0100.07319.13
5.4.160.0100.04318.98
5.4.150.0070.04319.16
5.4.140.0070.03316.25
5.4.130.0000.04016.36
5.4.120.0030.07316.24
5.4.110.0030.07316.26
5.4.100.0170.06016.29
5.4.90.0000.05016.30
5.4.80.0030.05316.24
5.4.70.0000.04316.27
5.4.60.0030.03716.38
5.4.50.0100.06716.24
5.4.40.0070.03316.26
5.4.30.0130.06316.59
5.4.20.0100.06316.29
5.4.10.0030.06716.38
5.4.00.0070.05015.71
5.3.290.0070.04314.61
5.3.280.0170.06714.55
5.3.270.0100.06714.39
5.3.260.0070.04314.52
5.3.250.0100.03014.39
5.3.240.0030.03714.54
5.3.230.0030.04714.52
5.3.220.0070.05014.53
5.3.210.0100.06014.46
5.3.200.0000.05314.49
5.3.190.0170.06314.50
5.3.180.0130.05714.50
5.3.170.0000.05014.57
5.3.160.0070.03714.57
5.3.150.0070.08014.48
5.3.140.0000.04714.43
5.3.130.0030.06014.44
5.3.120.0130.07014.50
5.3.110.0070.07714.63
5.3.100.0070.05713.96
5.3.90.0070.08013.84
5.3.80.0130.06013.95
5.3.70.0030.07013.99
5.3.60.0100.06014.01
5.3.50.0030.04313.88
5.3.40.0070.04013.76
5.3.30.0030.07713.84
5.3.20.0030.04013.65
5.3.10.0000.05313.49
5.3.00.0170.04013.56
5.2.170.0070.02711.13
5.2.160.0030.06011.04
5.2.150.0030.05011.13
5.2.140.0030.03011.08
5.2.130.0100.02311.07
5.2.120.0000.06710.98
5.2.110.0070.06311.02
5.2.100.0070.03011.20
5.2.90.0030.02711.00
5.2.80.0000.03311.05
5.2.70.0030.03011.07
5.2.60.0030.06710.93
5.2.50.0000.03310.95
5.2.40.0000.06710.97
5.2.30.0070.04011.12
5.2.20.0000.03711.04
5.2.10.0030.06310.71
5.2.00.0030.05010.71
5.1.60.0030.02710.06
5.1.50.0000.0609.93
5.1.40.0000.05310.05
5.1.30.0030.05710.37
5.1.20.0100.02010.35
5.1.10.0000.03710.07
5.1.00.0070.02310.11
5.0.50.0000.0238.63
5.0.40.0030.0208.31
5.0.30.0000.0378.22
5.0.20.0000.0238.22
5.0.10.0000.0208.22
5.0.00.0030.0578.22
4.4.90.0030.0278.22
4.4.80.0000.0208.22
4.4.70.0030.0378.22
4.4.60.0030.0308.22
4.4.50.0000.0238.22
4.4.40.0000.0308.22
4.4.30.0000.0238.22
4.4.20.0030.0178.22
4.4.10.0070.0138.22
4.4.00.0000.0438.22
4.3.110.0030.0178.22
4.3.100.0000.0178.22
4.3.90.0030.0138.22
4.3.80.0000.0538.22
4.3.70.0030.0278.22
4.3.60.0030.0308.22
4.3.50.0000.0208.22
4.3.40.0030.0478.22
4.3.30.0030.0208.22
4.3.20.0030.0378.22
4.3.10.0030.0308.22
4.3.00.0000.0208.22

preferences:
47.33 ms | 401 KiB | 5 Q