3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 5; $bar = $foo - null; var_dump($bar);

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)
8.3.60.0040.01118.18
8.3.50.0110.00416.36
8.3.40.0040.01218.72
8.3.30.0140.00018.38
8.3.20.0000.00824.18
8.3.10.0050.00324.66
8.3.00.0080.00026.16
8.2.180.0100.00325.92
8.2.170.0130.00718.83
8.2.160.0070.00722.96
8.2.150.0090.00025.66
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0020.00526.35
8.2.110.0060.00322.30
8.2.100.0110.00317.66
8.2.90.0070.00317.63
8.2.80.0080.00018.73
8.2.70.0050.00317.37
8.2.60.0030.00617.75
8.2.50.0000.00818.05
8.2.40.0040.00419.95
8.2.30.0000.00717.85
8.2.20.0000.00818.04
8.2.10.0050.00219.14
8.2.00.0000.00719.13
8.1.280.0140.00025.92
8.1.270.0050.00224.04
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0060.00323.91
8.1.230.0000.01217.70
8.1.220.0070.00017.74
8.1.210.0030.00618.77
8.1.200.0000.00817.22
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0080.00018.52
8.1.160.0000.00818.67
8.1.150.0050.00218.85
8.1.140.0070.00018.80
8.1.130.0000.00720.00
8.1.120.0000.00717.38
8.1.110.0040.00417.39
8.1.100.0000.00717.38
8.1.90.0040.00417.31
8.1.80.0060.00317.27
8.1.70.0070.00017.25
8.1.60.0040.00417.48
8.1.50.0040.00417.45
8.1.40.0000.00817.45
8.1.30.0030.00617.47
8.1.20.0040.00417.58
8.1.10.0080.00017.32
8.1.00.0060.00317.30
8.0.300.0050.00220.60
8.0.290.0060.00316.63
8.0.280.0030.00318.42
8.0.270.0070.00017.91
8.0.260.0060.00020.21
8.0.250.0070.00016.83
8.0.240.0000.00716.93
8.0.230.0000.00716.91
8.0.220.0000.00616.91
8.0.210.0030.00316.79
8.0.200.0030.00316.78
8.0.190.0030.00316.95
8.0.180.0040.00416.96
8.0.170.0000.00916.89
8.0.160.0040.00416.83
8.0.150.0040.00316.73
8.0.140.0000.00716.84
8.0.130.0000.00613.26
8.0.120.0060.00316.73
8.0.110.0040.00416.82
8.0.100.0040.00416.98
8.0.90.0040.00416.73
8.0.80.0030.01516.89
8.0.70.0000.00716.82
8.0.60.0040.00416.91
8.0.50.0050.00216.72
8.0.30.0070.01116.93
8.0.20.0090.01017.00
8.0.10.0050.00316.87
8.0.00.0120.00616.64
7.4.330.0020.00215.55
7.4.320.0050.00216.44
7.4.300.0030.00316.41
7.4.290.0030.00316.44
7.4.280.0030.00616.50
7.4.270.0070.00316.43
7.4.260.0000.00613.21
7.4.250.0070.00016.29
7.4.240.0030.00616.48
7.4.230.0030.00316.60
7.4.220.0020.00516.52
7.4.210.0070.00916.50
7.4.200.0030.00316.50
7.4.130.0070.01116.40
7.4.120.0000.01716.34
7.4.110.0030.01316.35
7.4.100.0060.00916.53
7.4.90.0030.01316.29
7.4.80.0060.01016.49
7.4.70.0040.01216.26
7.4.60.0060.01516.40
7.4.50.0030.01316.24
7.4.40.0150.00616.13
7.4.30.0070.01016.29
7.4.20.0030.01216.09
7.4.10.0070.01016.09
7.4.00.0110.00616.03
7.3.330.0000.00716.15
7.3.320.0000.00512.92
7.3.310.0000.00716.12
7.3.300.0070.00016.10
7.3.290.0040.01216.15
7.3.280.0060.01016.15
7.3.260.0150.00316.39
7.3.230.0210.03316.56
7.3.210.0120.00916.14
7.3.200.0110.00416.18
7.3.190.0120.00816.32
7.3.180.0170.00316.02
7.3.170.0060.00916.12
7.3.160.0120.00416.23
7.3.150.0060.01016.00
7.3.140.0090.00916.21
7.3.130.0100.01016.22
7.3.120.0090.00915.95
7.3.110.0100.01016.06
7.3.100.0040.01316.35
7.3.90.0130.00316.05
7.3.80.0030.01316.32
7.3.70.0150.00616.23
7.3.60.0130.00316.12
7.3.50.0140.00416.07
7.3.40.0040.01115.93
7.3.30.0110.00516.16
7.3.20.0140.00316.12
7.3.10.0070.01216.05
7.3.00.0080.01216.18
7.2.330.0170.00016.51
7.2.320.0090.00616.57
7.2.310.0150.00316.17
7.2.300.0130.00316.32
7.2.290.0060.01016.34
7.2.280.0060.01116.52
7.2.270.0070.01316.30
7.2.260.0140.00316.22
7.2.250.0100.00716.21
7.2.240.0100.00716.19
7.2.230.0030.01316.14
7.2.220.0030.01716.29
7.2.210.0070.01016.34
7.2.200.0100.00716.17
7.2.190.0170.00316.34
7.2.180.0100.00616.04
7.2.170.0110.00316.40
7.2.160.0120.00616.29
7.2.150.0150.00316.25
7.2.140.0320.01316.29
7.2.130.0070.01116.22
7.2.120.0040.01316.31
7.2.110.0130.00316.57
7.2.100.0030.01416.40
7.2.90.0130.00716.50
7.2.80.0120.00616.19
7.2.70.0070.01016.32
7.2.60.0060.01216.30
7.2.50.0080.01216.39
7.2.40.0130.00616.58
7.2.30.0130.01316.09
7.2.20.0090.01916.29
7.2.10.0190.00316.45
7.2.00.0120.00616.12

preferences:
54.37 ms | 400 KiB | 5 Q