3v4l.org

run code in 300+ PHP versions simultaneously
<?php $empty_array = array(); $non_empty_array = array('1'); var_dump( false == $empty_array ); var_dump( false === $empty_array ); var_dump( false == $non_empty_array ); var_dump( false === $non_empty_array );

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)
8.1.20.0080.00017.53
8.1.10.0030.00517.48
8.1.00.0060.00317.38
8.0.150.0030.00316.85
8.0.140.0040.00416.86
8.0.130.0050.00013.40
8.0.120.0000.00716.88
8.0.110.0040.00416.87
8.0.100.0040.00416.91
8.0.90.0040.00416.95
8.0.80.0050.01216.88
8.0.70.0050.00316.89
8.0.60.0000.00816.93
8.0.50.0070.00016.75
8.0.30.0140.01016.98
8.0.20.0130.01217.05
8.0.10.0040.00417.10
8.0.00.0070.01016.72
7.4.270.0040.00416.45
7.4.260.0000.00716.56
7.4.250.0030.00316.57
7.4.240.0000.00716.52
7.4.230.0030.00316.40
7.4.220.0050.00216.63
7.4.210.0100.00516.57
7.4.200.0030.00316.39
7.4.130.0100.01016.47
7.4.120.0100.00716.58
7.4.110.0060.01216.64
7.4.100.0130.00716.53
7.4.90.0110.00616.51
7.4.80.0030.01319.39
7.4.70.0030.01416.54
7.4.60.0150.00416.45
7.4.50.0130.00316.39
7.4.40.0110.00716.16
7.4.30.0090.00816.44
7.4.20.0090.00916.41
7.4.10.0060.01316.26
7.4.00.0040.01416.48
7.3.330.0030.00316.05
7.3.320.0030.00513.07
7.3.310.0070.00016.29
7.3.300.0030.00316.15
7.3.290.0050.01216.20
7.3.280.0090.00616.14
7.3.260.0150.00316.28
7.3.230.0100.00716.63
7.3.210.0130.00916.39
7.3.200.0150.00316.43
7.3.190.0170.00016.27
7.3.180.0060.00916.29
7.3.170.0120.00916.40
7.3.160.0120.00916.38
7.3.150.0090.00916.32
7.3.140.0070.01016.14
7.3.130.0040.01516.25
7.3.120.0120.00716.45
7.3.110.0060.01116.15
7.3.100.0110.00516.22
7.3.90.0100.01016.33
7.3.80.0030.01316.16
7.3.70.0090.00916.16
7.3.60.0120.00616.26
7.3.50.0100.01016.18
7.3.40.0060.01216.27
7.3.30.0120.00616.07
7.3.20.0140.00416.29
7.3.10.0070.01016.18
7.3.00.0070.01116.14
7.2.330.0150.00616.66
7.2.320.0080.00816.40
7.2.310.0070.01016.28
7.2.300.0100.00616.25
7.2.290.0080.01316.28
7.2.280.0130.00316.60
7.2.270.0080.00816.61
7.2.260.0130.00616.34
7.2.250.0110.01116.42
7.2.240.0060.01116.62
7.2.230.0130.00416.39
7.2.220.0090.00816.28
7.2.210.0080.01216.52
7.2.200.0060.01216.37
7.2.190.0130.00716.54
7.2.180.0040.01516.32
7.2.170.0130.00716.32
7.2.160.0100.01016.29
7.2.150.0120.00916.56
7.2.140.0070.01116.29
7.2.130.0120.00916.36
7.2.120.0100.00716.35
7.2.110.0090.00816.51
7.2.100.0090.00916.39
7.2.90.0120.00416.51
7.2.80.0130.00316.64
7.2.70.0030.01416.57
7.2.60.0030.01416.53
7.2.50.0100.00716.48
7.2.40.0070.01016.55
7.2.30.0060.01216.38
7.2.20.0090.00916.52
7.2.10.0100.01016.57
7.2.00.0130.00616.32

preferences:
19.79 ms | 455 KiB | 5 Q