3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(null <> ''); var_dump(null != ''); var_dump(0 <> ''); var_dump(0 != '');

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)
8.3.60.0110.01116.38
8.3.50.0080.00820.02
8.3.40.0110.00418.54
8.3.30.0120.00318.50
8.3.20.0050.00224.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.180.0040.01525.92
8.2.170.0090.01218.75
8.2.160.0100.00722.96
8.2.150.0040.00425.66
8.2.140.0070.00024.66
8.2.130.0000.00726.16
8.2.120.0070.00026.16
8.2.110.0110.00019.45
8.2.100.0040.00817.66
8.2.90.0090.00017.50
8.2.80.0040.00418.64
8.2.70.0040.00417.36
8.2.60.0050.00317.38
8.2.50.0030.00617.98
8.2.40.0030.00618.09
8.2.30.0000.00817.83
8.2.20.0000.00720.30
8.2.10.0050.00217.52
8.2.00.0040.00419.11
8.1.280.0060.01225.92
8.1.270.0060.00323.99
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0000.00922.00
8.1.230.0090.00320.95
8.1.220.0040.00418.48
8.1.210.0040.00418.85
8.1.200.0050.00317.10
8.1.190.0040.00417.00
8.1.180.0030.00518.10
8.1.170.0030.00617.62
8.1.160.0050.00218.66
8.1.150.0040.00418.42
8.1.140.0000.00717.31
8.1.130.0000.00718.67
8.1.120.0080.00017.35
8.1.110.0040.00417.33
8.1.100.0070.00017.34
8.1.90.0030.00317.19
8.1.80.0030.00317.30
8.1.70.0000.00717.30
8.1.60.0090.00317.37
8.1.50.0080.00017.39
8.1.40.0060.00617.36
8.1.30.0060.00317.38
8.1.20.0060.00717.38
8.1.10.0000.01317.32
8.1.00.0160.00317.24
8.0.300.0040.00419.91
8.0.290.0060.00316.58
8.0.280.0070.00018.30
8.0.270.0070.00016.69
8.0.260.0030.00318.35
8.0.250.0050.00316.84
8.0.240.0030.00316.86
8.0.230.0030.00316.83
8.0.220.0000.00616.66
8.0.210.0070.00016.73
8.0.200.0070.00016.83
8.0.190.0000.00816.82
8.0.180.0040.00716.71
8.0.170.0040.00416.68
8.0.160.0040.00416.78
8.0.150.0030.00916.67
8.0.140.0180.00316.58
8.0.130.0160.00016.52
8.0.120.0030.00716.69
8.0.110.0170.00016.75
8.0.100.0080.01516.68
8.0.90.0180.00716.67
8.0.80.0110.01016.56
8.0.70.0180.00316.66
8.0.60.0180.00016.72
8.0.50.0180.00316.67
8.0.30.0170.00316.78
8.0.20.0140.00716.82
8.0.10.0200.00016.80
7.4.330.0000.00515.55
7.4.320.0000.00616.41
7.4.300.0030.00316.30
7.4.290.0070.00016.15
7.4.280.0080.00016.45
7.4.270.0240.00016.41
7.4.260.0230.00016.25
7.4.250.0210.00416.39
7.4.240.0190.00816.31
7.4.230.0230.00016.40
7.4.220.0140.00716.26
7.4.210.0180.00316.33
7.4.200.0160.00316.18
7.4.190.0140.00616.48
7.4.180.0170.00316.34
7.4.160.0090.01016.26
7.4.150.0180.00016.36
7.4.140.0090.00916.10
7.4.130.0190.00016.22
7.4.120.0120.00616.34
7.4.110.0130.00716.32
7.4.100.0160.00316.33
7.4.90.0140.00716.26
7.4.80.0150.00616.16
7.4.70.0150.00015.92
7.4.60.0050.00516.25
7.4.50.0110.00016.11
7.4.40.0120.00816.11
7.4.30.0180.00016.21
7.4.20.0090.00316.29
7.4.10.0060.00616.08
7.4.00.0050.00516.09

preferences:
54.82 ms | 400 KiB | 5 Q