3v4l.org

run code in 300+ PHP versions simultaneously
<?php $undef; $nothing = $undef; var_dump($nothing); debug_zval_dump('undef');

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)
8.3.60.0040.01118.23
8.3.50.0220.00016.37
8.3.40.0120.00418.57
8.3.30.0150.00618.41
8.3.20.0070.00020.21
8.3.10.0000.01423.52
8.3.00.0100.00723.66
8.2.180.0120.00416.75
8.2.170.0110.00422.96
8.2.160.0000.01522.08
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0090.00017.63
8.2.110.0070.00420.93
8.2.100.0090.00317.84
8.2.90.0040.00419.09
8.2.80.0060.00317.97
8.2.70.0000.00817.37
8.2.60.0030.00517.93
8.2.50.0040.00418.07
8.2.40.0040.00421.07
8.2.30.0060.00319.84
8.2.20.0040.00417.57
8.2.10.0020.00518.04
8.2.00.0040.00417.88
8.1.280.0030.01325.92
8.1.270.0040.00720.21
8.1.260.0030.00626.35
8.1.250.0030.00728.09
8.1.240.0030.00621.34
8.1.230.0000.01117.42
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00917.23
8.1.180.0080.00018.10
8.1.170.0040.00418.61
8.1.160.0000.00821.93
8.1.150.0000.00818.81
8.1.140.0040.00417.38
8.1.130.0000.00717.63
8.1.120.0000.00717.41
8.1.110.0000.00817.32
8.1.100.0050.00217.35
8.1.90.0040.00417.36
8.1.80.0000.01017.39
8.1.70.0000.00717.34
8.1.60.0070.00017.41
8.1.50.0030.00517.34
8.1.40.0040.00417.37
8.1.30.0080.00017.41
8.1.20.0050.00317.53
8.1.10.0000.00817.28
8.1.00.0030.00517.35
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0040.00418.36
8.0.270.0000.00717.16
8.0.260.0000.00817.02
8.0.250.0000.00816.81
8.0.240.0070.00016.87
8.0.230.0100.00016.89
8.0.220.0070.00316.91
8.0.210.0000.00716.77
8.0.200.0030.00316.92
8.0.190.0030.00316.87
8.0.180.0080.00016.76
8.0.170.0000.00816.84
8.0.160.0050.00316.84
8.0.150.0040.00316.86
8.0.140.0030.00316.70
8.0.130.0030.00313.28
8.0.120.0070.00016.84
8.0.110.0000.00716.72
8.0.100.0000.00716.86
8.0.90.0040.00416.76
8.0.80.0060.01216.78
8.0.70.0040.00416.72
8.0.60.0040.00416.75
8.0.50.0040.00416.79
8.0.30.0070.01216.93
8.0.20.0080.01017.40
8.0.10.0040.00416.77
8.0.00.0110.00716.66
7.4.330.0050.00015.08
7.4.320.0030.00316.53
7.4.300.0030.00316.41
7.4.290.0000.00716.43
7.4.280.0030.00316.32
7.4.270.0000.00716.53
7.4.260.0030.00316.41
7.4.250.0030.00316.40
7.4.240.0000.00816.49
7.4.230.0060.00016.53
7.4.220.0130.00716.53
7.4.210.0150.00316.43
7.4.200.0060.00016.34
7.4.160.0090.00616.38
7.4.150.0090.00917.40
7.4.140.0110.00917.86
7.4.130.0070.01016.34
7.4.120.0100.00616.41
7.4.110.0070.01016.35
7.4.100.0110.00916.36
7.4.90.0100.00716.59
7.4.80.0090.00619.39
7.4.70.0090.00616.29
7.4.60.0060.01016.27
7.4.50.0030.00316.45
7.4.40.0060.00916.45
7.4.30.0140.00516.36
7.4.00.0040.01214.84
7.3.330.0030.00313.05
7.3.320.0050.00013.00
7.3.310.0070.00016.33
7.3.300.0000.00816.23
7.3.290.0140.00516.23
7.3.280.0120.00716.23
7.3.270.0070.01517.40
7.3.260.0110.00916.51
7.3.250.0130.00516.30
7.3.240.0040.01216.44
7.3.230.0170.00716.46
7.3.210.0120.00916.25
7.3.200.0100.00716.52
7.3.190.0060.01316.21
7.3.180.0100.00716.44
7.3.170.0060.01016.27
7.3.160.0100.00716.20
7.2.330.0090.00816.37
7.2.320.0030.01416.44
7.2.310.0000.01616.45
7.2.300.0040.01216.54
7.2.290.0030.01316.52
7.2.60.0110.00016.62
7.2.00.0030.01419.09
7.1.200.0040.00815.81
7.1.100.0050.00517.68
7.1.70.0000.00916.80
7.1.60.0090.01619.12
7.1.50.0130.00616.89
7.1.00.0030.07322.31
7.0.200.0040.00416.32
7.0.100.0130.07319.99
7.0.90.0070.07020.00
7.0.80.0100.04020.01
7.0.70.0030.05019.84
7.0.60.0030.07319.96
7.0.50.0070.08020.16
7.0.40.0170.07320.13
7.0.30.0000.08320.11
7.0.20.0070.08720.13
7.0.10.0070.08319.98
7.0.00.0070.07720.16
5.6.280.0000.03321.07
5.6.250.0100.04320.59
5.6.240.0070.08020.68
5.6.230.0130.07320.62
5.6.220.0030.07020.66
5.6.210.0070.08320.66
5.6.200.0070.08021.07
5.6.190.0100.08020.95
5.6.180.0070.08721.07
5.6.170.0070.08021.01
5.6.160.0100.06721.01
5.6.150.0070.08021.02
5.6.140.0070.06720.98
5.6.130.0030.04720.94
5.6.120.0100.04321.11
5.6.110.0130.08321.00
5.6.100.0100.07321.06
5.6.90.0100.08021.03
5.6.80.0000.08720.32
5.6.70.0070.05020.47
5.6.60.0030.03720.41
5.6.50.0100.08020.41
5.6.40.0030.08020.37
5.6.30.0130.07320.42
5.6.20.0070.08020.48
5.6.10.0100.06020.43
5.6.00.0100.08020.41
5.5.380.0000.08720.35
5.5.370.0070.07720.34
5.5.360.0270.06020.34
5.5.350.0130.07020.45
5.5.340.0130.07020.87
5.5.330.0130.07720.72
5.5.320.0130.08020.87
5.5.310.0130.06320.88
5.5.300.0030.08020.82
5.5.290.0070.07720.86
5.5.280.0100.08020.79
5.5.270.0070.08320.87
5.5.260.0100.07320.80
5.5.250.0070.08020.72
5.5.240.0000.07720.28
5.5.230.0030.05720.15
5.5.220.0200.06020.26
5.5.210.0070.07320.25
5.5.200.0070.07720.23
5.5.190.0030.08720.18
5.5.180.0030.08020.21
5.5.160.0070.05020.21
5.5.150.0100.04720.21
5.5.140.0100.06720.21
5.5.130.0030.05019.98
5.5.120.0070.05720.21
5.5.110.0030.07320.22
5.5.100.0070.04720.09
5.5.90.0000.05720.00
5.5.80.0000.07720.06
5.5.70.0000.08320.13
5.5.60.0030.07019.95
5.5.50.0070.05720.14
5.5.40.0100.07020.12
5.5.30.0130.07020.02
5.5.20.0130.04320.02
5.5.10.0130.05720.00
5.5.00.0130.07020.02
5.4.450.0130.06319.55
5.4.440.0130.07319.32
5.4.430.0100.06719.28
5.4.420.0030.04319.42
5.4.410.0070.08019.27
5.4.400.0130.05719.03
5.4.390.0000.03719.12
5.4.380.0030.06318.98
5.4.370.0100.05018.96
5.4.360.0130.06319.14
5.4.350.0130.07019.10
5.4.340.0100.07719.05
5.4.320.0030.08019.06
5.4.310.0070.07019.03
5.4.300.0100.07319.16
5.4.290.0070.04319.05
5.4.280.0100.07019.11
5.4.270.0100.05019.14
5.4.260.0100.04018.95
5.4.250.0230.06318.96
5.4.240.0070.08019.22
5.4.230.0030.04718.97
5.4.220.0070.04019.14
5.4.210.0070.06719.00
5.4.200.0100.07318.97
5.4.190.0070.07719.02
5.4.180.0030.08018.89
5.4.170.0030.06019.05
5.4.160.0030.07019.11
5.4.150.0070.07019.11
5.4.140.0070.07316.35
5.4.130.0070.05016.28
5.4.120.0070.06716.06
5.4.110.0070.07316.45
5.4.100.0100.06016.32
5.4.90.0030.07316.34
5.4.80.0130.03016.25
5.4.70.0070.03716.32
5.4.60.0070.07716.43
5.4.50.0070.07716.31
5.4.40.0100.04316.30
5.4.30.0100.07016.33
5.4.20.0130.06716.33
5.4.10.0170.06016.23
5.4.00.0100.06315.72
5.3.290.0100.06314.48
5.3.280.0000.08014.58
5.3.270.0000.08714.45
5.3.260.0130.07014.54
5.3.250.0030.08014.45
5.3.240.0200.06314.44
5.3.230.0100.07314.58
5.3.220.0100.07314.42
5.3.210.0100.07314.38
5.3.200.0100.07014.38
5.3.190.0170.05714.55
5.3.180.0030.06314.57
5.3.170.0100.06014.56
5.3.160.0030.05314.38
5.3.150.0030.08714.46
5.3.140.0070.07714.48
5.3.130.0070.07314.54
5.3.120.0030.07714.48
5.3.110.0070.08014.50
5.3.100.0000.05713.85
5.3.90.0030.08313.92
5.3.80.0030.06714.00
5.3.70.0030.07714.00
5.3.60.0030.08013.97
5.3.50.0030.05013.80
5.3.40.0100.03713.91
5.3.30.0070.04013.85
5.3.20.0070.07013.68
5.3.10.0070.04713.51
5.3.00.0030.07713.54
5.2.170.0030.03712.09
5.2.160.0030.05012.09
5.2.150.0000.03712.09
5.2.140.0030.06012.09
5.2.130.0030.03712.09
5.2.120.0070.04312.09
5.2.110.0000.04012.09
5.2.100.0030.05712.09
5.2.90.0000.04312.09
5.2.80.0100.02312.09
5.2.70.0000.06712.09
5.2.60.0070.05712.09
5.2.50.0070.05712.09
5.2.40.0070.06012.09
5.2.30.0030.06012.09
5.2.20.0030.06012.09
5.2.10.0030.03312.09
5.2.00.0100.05312.09
5.1.60.0070.05312.09
5.1.50.0030.04712.09
5.1.40.0030.03712.09
5.1.30.0030.05012.09
5.1.20.0070.05312.09
5.1.10.0130.03712.09
5.1.00.0000.03712.09
5.0.50.0030.04712.09
5.0.40.0070.03312.09
5.0.30.0070.05012.09
5.0.20.0100.02312.09
5.0.10.0030.04312.09
5.0.00.0000.07012.09
4.4.90.0000.02312.09
4.4.80.0030.03312.09
4.4.70.0030.03312.09
4.4.60.0100.01712.09
4.4.50.0130.02312.09
4.4.40.0000.05012.09
4.4.30.0030.02712.09
4.4.20.0000.02712.09
4.4.10.0030.03712.09
4.4.00.0000.04312.09
4.3.110.0100.01712.09
4.3.100.0070.02012.09
4.3.90.0000.02012.09
4.3.80.0000.05712.09
4.3.70.0000.03712.09
4.3.60.0030.03312.09
4.3.50.0030.03012.09
4.3.40.0030.05012.09
4.3.30.0000.03012.09
4.3.20.0000.02012.09
4.3.10.0000.03312.09
4.3.00.0030.03312.09

preferences:
57.75 ms | 400 KiB | 5 Q