3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; $null = null; if($null) { $a = 2; } var_dump($a);

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)
8.3.60.0120.00616.36
8.3.50.0060.00816.10
8.3.40.0070.00718.51
8.3.30.0040.01118.52
8.3.20.0080.00020.21
8.3.10.0030.00523.61
8.3.00.0030.00519.26
8.2.180.0040.01116.38
8.2.170.0120.00322.96
8.2.160.0110.00320.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00421.00
8.2.120.0080.00026.35
8.2.110.0070.00322.31
8.2.100.0030.01017.72
8.2.90.0040.00419.28
8.2.80.0080.00017.97
8.2.70.0050.00317.63
8.2.60.0080.00017.55
8.2.50.0040.00418.10
8.2.40.0020.00520.60
8.2.30.0080.00020.91
8.2.20.0040.00417.87
8.2.10.0000.00817.92
8.2.00.0040.00418.00
8.1.280.0070.00725.92
8.1.270.0040.00422.19
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0060.00323.92
8.1.230.0000.01119.14
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0060.00317.25
8.1.190.0060.00317.23
8.1.180.0080.00018.10
8.1.170.0000.00718.84
8.1.160.0000.00719.00
8.1.150.0030.00620.57
8.1.140.0040.00719.42
8.1.130.0030.00318.82
8.1.120.0000.00917.30
8.1.110.0080.00017.41
8.1.100.0040.00417.42
8.1.90.0080.00017.33
8.1.80.0050.00217.40
8.1.70.0050.00217.38
8.1.60.0040.00417.52
8.1.50.0000.00717.48
8.1.40.0000.00817.46
8.1.30.0040.00417.59
8.1.20.0050.00217.65
8.1.10.0000.00817.34
8.1.00.0000.00717.40
8.0.300.0030.00620.07
8.0.290.0040.00416.58
8.0.280.0030.00318.37
8.0.270.0080.00017.04
8.0.260.0060.00016.75
8.0.250.0060.00016.79
8.0.240.0030.00316.86
8.0.230.0000.00716.90
8.0.220.0030.00316.80
8.0.210.0070.00016.71
8.0.200.0000.00616.93
8.0.190.0040.00416.84
8.0.180.0040.00416.77
8.0.170.0090.00016.85
8.0.160.0080.00016.89
8.0.150.0070.00016.78
8.0.140.0040.00416.80
8.0.130.0050.00013.32
8.0.120.0070.00016.80
8.0.110.0030.00316.75
8.0.100.0000.00916.71
8.0.90.0050.00316.82
8.0.80.0080.00916.75
8.0.70.0040.00416.71
8.0.60.0040.00416.64
8.0.50.0070.00016.62
8.0.30.0060.01216.85
8.0.20.0120.00617.40
8.0.10.0030.00416.80
8.0.00.0100.00716.55
7.4.330.0070.00015.55
7.4.320.0000.00616.35
7.4.300.0000.00616.46
7.4.290.0060.00316.45
7.4.280.0040.00416.35
7.4.270.0030.00316.39
7.4.260.0040.00416.44
7.4.250.0080.00016.35
7.4.240.0030.00516.37
7.4.230.0070.00016.54
7.4.220.0060.01316.53
7.4.210.0060.00816.43
7.4.200.0030.00316.42
7.4.160.0050.01116.38
7.4.150.0200.00317.40
7.4.140.0100.00817.86
7.4.130.0100.01416.54
7.4.120.0130.00716.44
7.4.110.0060.01116.43
7.4.100.0030.01416.37
7.4.90.0090.00916.49
7.4.80.0060.01519.39
7.4.70.0030.01316.53
7.4.60.0070.01116.21
7.4.50.0000.01416.36
7.4.40.0140.00716.54
7.4.30.0120.00916.21
7.4.00.0060.00914.95
7.3.330.0030.00313.07
7.3.320.0030.00312.98
7.3.310.0040.00416.22
7.3.300.0050.00216.09
7.3.290.0080.00916.14
7.3.280.0070.01016.13
7.3.270.0120.00617.40
7.3.260.0020.01516.33
7.3.250.0110.01216.39
7.3.240.0090.01016.34
7.3.230.0100.00616.20
7.3.210.0100.00716.09
7.3.200.0110.00516.11
7.3.190.0070.01316.10
7.3.180.0090.00616.19
7.3.170.0130.00316.40
7.3.160.0100.00716.42
7.2.330.0100.01016.53
7.2.320.0140.01016.59
7.2.310.0060.00916.61
7.2.300.0030.01916.48
7.2.290.0090.00716.23
7.2.110.0100.01016.36
7.2.60.0060.01016.80
7.2.00.0050.00319.42
7.1.200.0120.00015.54
7.1.100.0000.00818.28
7.1.70.0030.01017.10
7.1.60.0130.01634.99
7.1.50.0250.00434.72
7.1.40.0280.01634.34
7.1.30.0160.01334.45
7.1.20.0210.01234.52
7.1.10.0060.01416.44
7.1.00.0060.00916.56
7.0.200.0090.00616.78
7.0.190.0070.00716.77
7.0.180.0100.00416.20
7.0.170.0000.01316.07
7.0.160.0060.00916.20
7.0.150.0050.01116.22
7.0.140.0030.01316.21
7.0.130.0060.00916.42
7.0.120.0030.01216.17
7.0.110.0090.00616.09
7.0.100.0060.00816.37
7.0.90.0120.00316.09
7.0.80.0030.01016.23
7.0.70.0040.01016.21
7.0.60.0070.00715.98
7.0.50.0000.01516.15
7.0.40.0000.01416.64
7.0.30.0040.01116.58
7.0.20.0070.00716.36
7.0.10.0000.01316.32
7.0.00.0060.00616.12

preferences:
57.16 ms | 400 KiB | 5 Q