3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(empty('')); var_dump(empty(true)); var_dump(empty(false)); var_dump(empty(null)); var_dump(empty($notset)); $array=[]; var_dump(empty($array['notset']));

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)
8.3.60.0070.01318.18
8.3.50.0140.00316.26
8.3.40.0040.01118.71
8.3.30.0060.00918.67
8.3.20.0040.00419.10
8.3.10.0030.00520.88
8.3.00.0080.00017.76
8.2.180.0070.00716.50
8.2.170.0070.00722.96
8.2.160.0090.00619.03
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0070.00019.77
8.2.120.0040.00426.35
8.2.110.0030.01722.20
8.2.100.0030.00717.72
8.2.90.0030.00517.75
8.2.80.0040.00418.77
8.2.70.0080.00017.93
8.2.60.0040.00418.03
8.2.50.0060.00318.10
8.2.40.0000.00820.99
8.2.30.0050.00319.37
8.2.20.0000.00717.97
8.2.10.0040.00417.90
8.2.00.0000.00719.24
8.1.280.0110.00425.92
8.1.270.0040.00423.54
8.1.260.0000.00726.35
8.1.250.0060.00328.09
8.1.240.0040.00822.00
8.1.230.0090.00322.82
8.1.220.0040.00418.57
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0050.00317.22
8.1.180.0070.00018.10
8.1.170.0040.00418.47
8.1.160.0020.00518.82
8.1.150.0040.00418.81
8.1.140.0000.00717.50
8.1.130.0030.00318.99
8.1.120.0030.00617.30
8.1.110.0070.00017.42
8.1.100.0000.00717.43
8.1.90.0070.00317.37
8.1.80.0050.00517.41
8.1.70.0000.00817.40
8.1.60.0060.00317.36
8.1.50.0070.00317.52
8.1.40.0040.00417.45
8.1.30.0040.00417.61
8.1.20.0030.00617.58
8.1.10.0000.00717.53
8.1.00.0000.00817.33
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00718.32
8.0.270.0040.00417.24
8.0.260.0030.00317.25
8.0.250.0070.00016.86
8.0.240.0040.00416.93
8.0.230.0040.00416.82
8.0.220.0000.00716.76
8.0.210.0040.00416.82
8.0.200.0030.00316.76
8.0.190.0030.00516.77
8.0.180.0030.00516.73
8.0.170.0000.00916.81
8.0.160.0000.00716.78
8.0.150.0030.00616.75
8.0.140.0000.00716.79
8.0.130.0050.00013.21
8.0.120.0030.00516.88
8.0.110.0000.00816.80
8.0.100.0040.00416.71
8.0.90.0000.00716.73
8.0.80.0090.01016.79
8.0.70.0000.00716.71
8.0.60.0000.00716.82
8.0.50.0040.00416.77
8.0.30.0080.01017.07
8.0.20.0070.01317.40
8.0.10.0050.00216.78
8.0.00.0140.00616.74
7.4.330.0050.00015.55
7.4.320.0040.00416.39
7.4.300.0030.00316.38
7.4.290.0030.00316.47
7.4.280.0050.00316.47
7.4.270.0030.00316.44
7.4.260.0000.00716.41
7.4.250.0000.00816.52
7.4.240.0000.00716.38
7.4.230.0070.00016.43
7.4.220.0040.00416.54
7.4.210.0120.00516.51
7.4.200.0070.00016.63
7.4.160.0110.00516.30
7.4.140.0140.01017.86
7.4.130.0110.01016.50
7.4.120.0130.00816.39
7.4.110.0090.00916.33
7.4.100.0040.01316.41
7.4.90.0090.00916.52
7.4.80.0100.01319.39
7.4.70.0090.00916.31
7.4.60.0160.00316.51
7.4.50.0030.01116.50
7.4.40.0040.01816.46
7.4.00.0050.01014.88
7.3.330.0000.00513.05
7.3.320.0030.00313.07
7.3.310.0030.00316.27
7.3.300.0050.00216.15
7.3.290.0030.00316.20
7.3.280.0070.00816.20
7.3.260.0120.00816.29
7.3.240.0100.00916.32
7.3.230.0070.01016.22
7.3.210.0130.01016.10
7.3.200.0060.01516.22
7.3.190.0130.00416.44
7.3.180.0150.00316.30
7.3.170.0140.00716.26
7.3.160.0080.00816.40
7.3.120.0120.00614.77
7.3.110.0030.01414.91
7.3.100.0000.01414.75
7.3.90.0100.00014.64
7.3.80.0140.00014.69
7.3.70.0060.00314.78
7.3.60.0090.00614.72
7.3.50.0080.00814.52
7.3.40.0070.00714.79
7.3.30.0100.00314.38
7.3.20.0070.00716.55
7.3.10.0060.01216.49
7.3.00.0060.00616.35
7.2.330.0110.01116.65
7.2.320.0090.00616.40
7.2.310.0130.00316.31
7.2.300.0090.00916.43
7.2.290.0130.00416.56
7.2.250.0070.01314.76
7.2.240.0000.01514.62
7.2.230.0030.01715.08
7.2.220.0090.00014.57
7.2.210.0060.00614.96
7.2.200.0070.01014.96
7.2.190.0030.01314.52
7.2.180.0070.01014.99
7.2.170.0040.01114.77
7.2.60.3430.00615.03
7.2.50.3750.00914.73
7.2.40.2550.00915.28
7.2.30.2910.00815.12
7.2.20.2280.00815.12
7.2.10.2720.00915.33
7.2.00.2820.00815.36
7.1.330.0000.01615.81
7.1.320.0030.00615.64
7.1.310.0090.00315.59
7.1.300.0070.00715.82
7.1.290.0060.01215.72
7.1.280.0030.01015.61
7.1.270.0170.00015.72
7.1.260.0070.01115.88
7.1.200.0090.00315.42
7.1.170.3500.01013.83
7.1.160.3630.01216.54
7.1.150.3040.00716.50
7.1.140.2970.01316.63
7.1.130.2720.00916.56
7.1.120.2960.00816.63
7.1.110.3080.00816.38
7.1.100.2650.00616.05
7.1.90.2560.01016.14
7.1.80.3300.01316.04
7.1.70.3320.01215.09
7.1.60.3250.01633.29
7.1.50.4820.01432.82
7.1.40.5160.01332.62
7.1.30.5440.01632.49
7.1.20.4470.01432.56
7.1.10.3150.01014.51
7.1.00.0780.00914.64

preferences:
51.3 ms | 400 KiB | 5 Q