3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_export((bool)[]); echo "\n"; var_export((bool)['not empty']); echo "\n"; var_export((bool)[0]); echo "\n"; var_export((bool)[null]); echo "\n"; var_export((bool)[false]); echo "\n"; $noElements = []; if ($noElements) { echo 'not empty'; } else { echo 'empty'; }

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)
8.3.60.0000.01418.30
8.3.50.0070.00718.21
8.3.40.0100.00718.56
8.3.30.0070.00718.86
8.3.20.0040.00421.85
8.3.10.0040.00421.79
8.3.00.0020.00522.52
8.2.180.0040.01125.92
8.2.170.0070.01422.96
8.2.160.0120.00822.22
8.2.150.0060.00324.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0080.00026.16
8.2.110.0070.00420.52
8.2.100.0090.00317.78
8.2.90.0000.00917.97
8.2.80.0050.00319.11
8.2.70.0000.00817.63
8.2.60.0060.00317.50
8.2.50.0040.00418.10
8.2.40.0040.00419.30
8.2.30.0060.00319.11
8.2.20.0040.00417.94
8.2.10.0040.00419.19
8.2.00.0000.00719.18
8.1.280.0170.00325.92
8.1.270.0090.00020.73
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0000.00919.21
8.1.230.0060.00621.03
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.00817.35
8.1.190.0070.00317.00
8.1.180.0080.00018.10
8.1.170.0040.00418.65
8.1.160.0060.00318.82
8.1.150.0040.00418.73
8.1.140.0000.00720.89
8.1.130.0050.00217.50
8.1.120.0000.00717.29
8.1.110.0040.00417.42
8.1.100.0030.00617.43
8.1.90.0040.00417.41
8.1.80.0000.00917.42
8.1.70.0000.00717.45
8.1.60.0030.00517.53
8.1.50.0040.00417.46
8.1.40.0040.00417.42
8.1.30.0070.00317.45
8.1.20.0030.00617.48
8.1.10.0030.00517.53
8.1.00.0060.00317.41
8.0.300.0000.00720.09
8.0.290.0040.00416.75
8.0.280.0070.00018.51
8.0.270.0000.00817.25
8.0.260.0040.00416.93
8.0.250.0070.00016.94
8.0.240.0000.00616.97
8.0.230.0030.00316.94
8.0.220.0040.00416.90
8.0.210.0030.00316.80
8.0.200.0000.00616.99
8.0.190.0040.00416.93
8.0.180.0040.00416.80
8.0.170.0030.00616.93
8.0.160.0000.00716.88
8.0.150.0070.00016.81
8.0.140.0000.00716.84
8.0.130.0030.00313.29
8.0.120.0000.00816.85
8.0.110.0000.00716.85
8.0.100.0040.00416.93
8.0.90.0070.00016.71
8.0.80.0090.00716.92
8.0.70.0030.00517.00
8.0.60.0000.00816.89
8.0.50.0000.00716.86
8.0.30.0130.00717.22
8.0.20.0210.02116.89
8.0.10.0080.00016.91
8.0.00.0090.01216.81
7.4.330.0020.00216.83
7.4.320.0030.00316.50
7.4.300.0070.00016.44
7.4.290.0000.00716.51
7.4.280.0040.00416.48
7.4.270.0030.00316.30
7.4.260.0050.00013.15
7.4.250.0040.00416.49
7.4.240.0000.00816.52
7.4.230.0040.00416.38
7.4.220.0050.00216.41
7.4.210.0090.00716.56
7.4.200.0000.00716.64
7.4.140.0110.00617.86
7.4.130.0180.00016.52
7.4.120.0130.01316.29
7.4.110.0030.01716.52
7.4.100.0120.00416.43
7.4.90.0070.01016.41
7.4.80.0180.00319.39
7.4.70.0070.01016.50
7.4.60.0150.00616.42
7.4.50.0070.01116.39
7.4.40.0090.00916.51
7.4.00.0070.00714.96
7.3.330.0030.00316.18
7.3.320.0000.00613.19
7.3.310.0030.00316.21
7.3.300.0040.00416.12
7.3.290.0100.00916.20
7.3.260.0090.00916.36
7.3.240.0110.00816.22
7.3.230.0080.00816.15
7.3.210.0000.02116.23
7.3.200.0100.01016.11
7.3.190.0090.00916.24
7.3.180.0090.00616.37
7.3.170.0120.00916.38
7.3.160.0130.00316.38
7.3.80.0120.00314.66
7.3.70.0030.01014.52
7.3.60.0000.01414.79
7.3.50.0110.00614.57
7.3.40.0060.00914.34
7.3.30.0070.00714.54
7.3.20.0110.00916.40
7.3.10.0100.00316.45
7.3.00.0070.00716.50
7.2.330.0030.01716.65
7.2.320.0140.00916.23
7.2.310.0090.01216.46
7.2.300.0090.01216.50
7.2.290.0120.00616.50
7.2.210.0030.01214.80
7.2.200.0070.01314.69
7.2.190.0060.00914.64
7.2.180.0090.01214.69
7.2.170.0060.00914.77
7.2.160.0130.00614.77
7.2.150.0090.00916.83
7.2.140.0110.01116.84
7.2.130.0060.00816.68
7.2.120.0090.01216.74
7.2.110.0030.01616.60
7.2.100.0140.00716.62
7.2.90.0110.00916.62
7.2.80.0030.01716.77
7.2.70.0080.00816.47
7.2.60.0030.01416.43
7.2.50.0030.01216.69
7.2.40.0100.01016.74
7.2.30.0120.00916.88
7.2.20.0100.01016.69
7.2.10.0090.00616.56
7.2.00.0090.01216.71
7.1.310.0120.00315.58
7.1.300.0000.01415.76
7.1.290.0070.00715.51
7.1.280.0030.01315.48
7.1.270.0120.00315.77
7.1.260.0090.00915.65
7.1.250.0070.01315.62

preferences:
64.1 ms | 401 KiB | 5 Q