3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(empty('')); var_dump(empty('0')); var_dump(empty(0)); var_dump(empty(0.0)); var_dump(empty(false)); var_dump(empty(null)); var_dump(empty([])); var_dump(empty($variable));

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)
8.5.10.0100.00716.59
8.5.00.0130.01119.95
8.4.150.0010.00014.05
8.4.140.0120.00817.27
8.4.130.0050.00518.58
8.4.120.0100.00724.16
8.4.110.0110.00918.96
8.4.100.0140.00618.83
8.4.90.0100.01120.35
8.4.80.0080.00418.50
8.4.70.0130.00818.99
8.4.60.0070.00318.75
8.4.50.0140.01020.26
8.4.40.0080.01117.36
8.4.30.0080.00018.60
8.4.20.0170.00317.71
8.4.10.0060.00319.29
8.3.280.0120.00818.22
8.3.270.0140.00516.80
8.3.260.0120.00916.48
8.3.250.0080.01118.89
8.3.240.0080.00417.18
8.3.230.0100.00616.60
8.3.220.0090.00918.71
8.3.210.0100.00916.44
8.3.200.0020.00616.59
8.3.190.0060.00217.13
8.3.180.0130.00618.75
8.3.170.0090.00916.35
8.3.160.0100.00717.21
8.3.150.0080.00816.17
8.3.140.0000.01818.55
8.3.130.0060.00318.04
8.3.120.0030.00618.98
8.3.110.0030.00620.94
8.3.100.0030.00616.40
8.3.90.0100.00316.59
8.3.80.0030.00618.43
8.3.70.0070.01018.15
8.3.60.0100.00718.43
8.3.50.0060.01216.51
8.3.40.0160.00320.25
8.3.30.0090.00920.30
8.3.20.0000.00724.18
8.3.10.0080.00024.66
8.3.00.0060.01328.09
8.2.290.0100.00820.34
8.2.280.0090.01018.28
8.2.270.0140.00417.34
8.2.260.0060.01218.43
8.2.250.0040.00416.68
8.2.240.0090.00916.92
8.2.230.0060.00322.58
8.2.220.0040.00424.06
8.2.210.0080.00026.77
8.2.200.0060.00316.25
8.2.190.0070.01018.29
8.2.180.0110.00416.32
8.2.170.0110.00718.79
8.2.160.0000.01322.96
8.2.150.0080.00025.66
8.2.140.0030.00524.66
8.2.130.0150.00428.09
8.2.120.0070.01328.09
8.2.110.0060.01228.09
8.2.100.0000.01528.09
8.2.90.0070.00728.09
8.2.80.0030.01028.09
8.2.70.0040.00428.09
8.2.60.0120.00628.09
8.2.50.0150.00328.09
8.2.40.0140.00428.09
8.2.30.0040.00428.09
8.2.20.0040.01528.09
8.2.10.0140.00428.09
8.2.00.0060.00328.09
8.1.330.0080.00922.00
8.1.320.0110.00715.88
8.1.310.0090.00016.01
8.1.300.0070.00318.11
8.1.290.0100.00018.88
8.1.280.0070.01525.92
8.1.270.0050.00321.96
8.1.260.0110.00428.09
8.1.250.0000.00828.09
8.1.240.0000.00828.09
8.1.230.0110.00428.09
8.1.220.0040.00428.09
8.1.210.0000.00828.09
8.1.200.0110.00728.09
8.1.190.0060.01028.09
8.1.180.0120.00328.09
8.1.170.0090.00628.09
8.1.160.0030.00528.09
8.1.150.0060.00928.09
8.1.140.0070.00728.09
8.1.130.0000.00828.09
8.1.120.0000.00828.09
8.1.110.0080.00028.09
8.1.100.0080.00028.09
8.1.90.0080.00028.09
8.1.80.0050.00328.09
8.1.70.0000.00828.09
8.1.60.0040.00428.09
8.1.50.0040.00428.09
8.1.40.0050.00528.09
8.1.30.0060.00328.09
8.1.20.0000.00928.09
8.1.10.0080.00028.09
8.1.00.0080.00028.09

preferences:
92.72 ms | 403 KiB | 5 Q