3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = (bool)'0'; $b = empty('0'); $c = ((bool) empty('0')); var_dump($a); var_dump($b); var_dump($c);

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)
8.3.60.0200.00416.63
8.3.50.0100.00715.98
8.3.40.0070.00718.59
8.3.30.0140.00018.62
8.3.20.0070.00021.60
8.3.10.0040.00421.74
8.3.00.0030.00519.56
8.2.180.0040.01118.16
8.2.170.0070.00722.96
8.2.160.0000.01319.31
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0050.00322.26
8.2.120.0040.00426.35
8.2.110.0070.00320.35
8.2.100.0090.00317.71
8.2.90.0030.00519.22
8.2.80.0100.00317.97
8.2.70.0040.00417.25
8.2.60.0000.00819.63
8.2.50.0050.00218.10
8.2.40.0070.00020.47
8.2.30.0080.00019.18
8.2.20.0070.00017.89
8.2.10.0020.00517.93
8.2.00.0040.00418.04
8.1.280.0090.00925.92
8.1.270.0040.00421.85
8.1.260.0040.00426.35
8.1.250.0090.00028.09
8.1.240.0000.00923.84
8.1.230.0070.00419.00
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.10
8.1.190.0000.00817.23
8.1.180.0000.00718.10
8.1.170.0080.00018.59
8.1.160.0040.00418.73
8.1.150.0030.00318.81
8.1.140.0040.00419.55
8.1.130.0040.00718.91
8.1.120.0040.00417.35
8.1.110.0030.00517.41
8.1.100.0040.00417.35
8.1.90.0000.00817.35
8.1.80.0000.00817.34
8.1.70.0050.00317.36
8.1.60.0000.00817.43
8.1.50.0040.00417.39
8.1.40.0030.00617.52
8.1.30.0090.00317.52
8.1.20.0000.00817.57
8.1.10.0000.01017.30
8.1.00.0080.00017.30
8.0.300.0000.00819.92
8.0.290.0000.00716.58
8.0.280.0030.00318.24
8.0.270.0030.00317.21
8.0.260.0000.00618.99
8.0.250.0030.00316.79
8.0.240.0000.00716.98
8.0.230.0040.00416.96
8.0.220.0000.00716.88
8.0.210.0000.00716.85
8.0.200.0070.00016.96
8.0.190.0040.00416.87
8.0.180.0040.00416.86
8.0.170.0040.00416.84
8.0.160.0050.00316.94
8.0.150.0030.00316.83
8.0.140.0000.00716.88
8.0.130.0000.00613.28
8.0.120.0000.00716.82
8.0.110.0030.00416.81
8.0.100.0030.00616.86
8.0.90.0070.00016.68
8.0.80.0110.01216.91
8.0.70.0070.00016.76
8.0.60.0030.00416.90
8.0.50.0000.00716.70
8.0.30.0120.00617.06
8.0.20.0100.01417.40
8.0.10.0030.00316.89
8.0.00.0140.00516.52
7.4.330.0000.00615.55
7.4.320.0000.00616.41
7.4.300.0030.00316.42
7.4.290.0070.00016.44
7.4.280.0040.00416.56
7.4.270.0030.00316.43
7.4.260.0080.00016.42
7.4.250.0040.00416.38
7.4.240.0030.00316.57
7.4.230.0030.00316.37
7.4.220.0060.01216.38
7.4.210.0030.01016.53
7.4.200.0030.00316.55
7.4.160.0120.00416.43
7.4.150.0090.00917.40
7.4.140.0090.01017.86
7.4.130.0060.01216.57
7.4.120.0100.01016.46
7.4.110.0110.01116.30
7.4.100.0070.01116.44
7.4.90.0090.00816.34
7.4.80.0060.00919.39
7.4.70.0090.01116.43
7.4.60.0100.00716.36
7.4.50.0100.00616.20
7.4.40.0110.00416.36
7.4.30.0110.00516.29
7.4.00.0030.01214.41
7.3.330.0030.00313.17
7.3.320.0030.00312.95
7.3.310.0000.00716.05
7.3.300.0030.00316.23
7.3.290.0080.00716.18
7.3.280.0080.00916.17
7.3.270.0130.00417.40
7.3.260.0110.00916.11
7.3.250.0090.01116.33
7.3.240.0110.00816.31
7.3.230.0070.01016.23
7.3.210.0140.00316.13
7.3.200.0040.01216.16
7.3.190.0160.00616.36
7.3.180.0110.01116.27
7.3.170.0100.00716.14
7.3.160.0130.00316.36
7.2.330.0110.00616.50
7.2.320.0120.00316.23
7.2.310.0060.01016.26
7.2.300.0260.02316.42
7.2.290.0030.01316.23
7.2.60.0030.01016.48
7.2.00.0120.00619.45
7.1.200.0040.00815.81
7.1.100.0070.00418.16
7.1.70.0000.00716.78
7.1.60.0030.00716.91
7.1.50.0400.00732.82
7.1.40.1230.01732.41
7.1.30.0400.01332.44
7.1.20.0300.01032.60
7.1.10.0200.00714.77
7.1.00.0200.00714.80
7.0.200.0080.00816.77
7.0.190.0200.01014.58
7.0.180.0170.01314.26
7.0.170.0200.01314.10
7.0.160.0100.01314.41
7.0.150.0100.01714.23
7.0.140.0170.01314.25
7.0.130.0130.01014.43
7.0.120.0170.00714.65
7.0.110.0230.01314.35
7.0.100.0270.01014.31
7.0.90.0200.00714.04
7.0.80.0300.00714.46
7.0.70.0200.00714.07
7.0.60.0130.01014.15
7.0.50.0270.00714.54
7.0.40.0270.00314.44
7.0.30.0170.01314.51
7.0.20.0170.01014.36
7.0.10.0230.01714.59
7.0.00.0230.01014.40

preferences:
52.78 ms | 400 KiB | 5 Q