3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; var_dump(empty($a['asd']));

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)
8.3.60.0110.01118.31
8.3.50.0100.00316.30
8.3.40.0030.01218.48
8.3.30.0070.00718.57
8.3.20.0050.00318.85
8.3.10.0080.00021.96
8.3.00.0050.00320.95
8.2.180.0100.01018.29
8.2.170.0110.00422.96
8.2.160.0070.00722.26
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0000.00722.27
8.2.120.0070.00026.35
8.2.110.0030.00722.25
8.2.100.0080.00417.72
8.2.90.0000.00819.17
8.2.80.0060.00317.97
8.2.70.0000.01117.38
8.2.60.0030.00618.00
8.2.50.0040.00418.10
8.2.40.0000.00822.33
8.2.30.0040.00421.06
8.2.20.0040.00417.98
8.2.10.0030.00317.90
8.2.00.0070.00017.92
8.1.280.0080.00825.92
8.1.270.0040.00422.24
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.91
8.1.230.0000.01122.32
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0000.00718.50
8.1.160.0030.00518.88
8.1.150.0000.00820.61
8.1.140.0040.00419.51
8.1.130.0070.00018.73
8.1.120.0000.00717.30
8.1.110.0080.00017.29
8.1.100.0000.00717.31
8.1.90.0060.00317.32
8.1.80.0040.00417.34
8.1.70.0000.00817.28
8.1.60.0070.00017.41
8.1.50.0000.00717.36
8.1.40.0030.00617.41
8.1.30.0040.00417.58
8.1.20.0000.00817.59
8.1.10.0000.00717.66
8.1.00.0030.00517.50
8.0.300.0080.00018.77
8.0.290.0020.00516.75
8.0.280.0000.00718.29
8.0.270.0050.00217.06
8.0.260.0030.00616.66
8.0.250.0000.00716.79
8.0.240.0080.00016.82
8.0.230.0000.00816.95
8.0.220.0030.00316.78
8.0.210.0000.00716.79
8.0.200.0030.00316.86
8.0.190.0040.00816.77
8.0.180.0040.00416.82
8.0.170.0070.00016.84
8.0.160.0080.00016.80
8.0.150.0030.00316.75
8.0.140.0040.00416.77
8.0.130.0030.00313.25
8.0.120.0020.00516.87
8.0.110.0000.00816.92
8.0.100.0050.00316.60
8.0.90.0000.00716.84
8.0.80.0060.01716.73
8.0.70.0050.00316.81
8.0.60.0040.00416.93
8.0.50.0000.00716.88
8.0.30.0050.01216.95
8.0.20.0110.00917.40
8.0.10.0070.00016.91
8.0.00.0150.00316.60
7.4.330.0050.00015.55
7.4.320.0000.00616.36
7.4.300.0030.00316.52
7.4.290.0000.00716.42
7.4.280.0060.00316.50
7.4.270.0040.00416.36
7.4.260.0030.00313.18
7.4.250.0070.00016.41
7.4.240.0030.00316.29
7.4.230.0030.00316.51
7.4.220.0160.01016.59
7.4.210.0050.00916.47
7.4.200.0000.00716.43
7.4.160.0060.01116.34
7.4.150.0090.00917.40
7.4.140.0090.00817.86
7.4.130.0140.00616.52
7.4.120.0120.00616.53
7.4.110.0090.00916.23
7.4.100.0130.00716.36
7.4.90.0120.00916.30
7.4.80.0160.00019.39
7.4.70.0000.01616.71
7.4.60.0030.01216.38
7.4.50.0040.00916.25
7.4.40.0060.00916.31
7.4.30.0080.00816.45
7.4.10.0070.01014.72
7.4.00.0090.00714.87
7.3.330.0000.00513.02
7.3.320.0000.00512.94
7.3.310.0030.00316.11
7.3.300.0030.00316.19
7.3.290.0090.00416.20
7.3.280.0060.00916.20
7.3.270.0100.01017.40
7.3.260.0110.00716.24
7.3.250.0080.01116.23
7.3.240.0130.00916.23
7.3.230.0100.00716.37
7.3.210.0130.00316.19
7.3.200.0100.00716.52
7.3.190.0120.00516.20
7.3.180.0160.00616.25
7.3.170.0140.00316.31
7.3.160.0130.00316.12
7.3.130.0030.01414.99
7.3.120.0100.00714.65
7.3.110.0150.00314.68
7.3.100.0090.00614.71
7.3.90.0030.01314.93
7.3.80.0090.00314.38
7.3.70.0030.00614.47
7.3.60.0120.00314.79
7.3.50.0030.01414.80
7.3.40.0060.00614.63
7.3.30.0060.00314.77
7.3.20.0430.01015.55
7.3.10.0030.00716.54
7.3.00.0070.00516.45
7.2.330.0150.00416.63
7.2.320.0100.01016.36
7.2.310.0110.01016.61
7.2.300.0080.00816.46
7.2.290.0120.00616.68
7.2.260.0060.01314.99
7.2.250.0090.00914.60
7.2.240.0030.01314.93
7.2.230.0040.01414.74
7.2.220.0000.01414.89
7.2.210.0100.00314.66
7.2.200.0080.00814.60
7.2.190.0030.01014.45
7.2.180.0060.00914.57
7.2.170.0120.00314.99
7.2.160.0040.00414.98
7.2.150.0040.01416.81
7.2.140.0120.00016.83
7.2.130.0060.00616.79
7.2.120.0060.00916.77
7.2.110.0080.00816.75
7.2.100.0060.00916.61
7.2.90.0050.00916.85
7.2.80.0030.01016.83
7.2.70.0050.00916.81
7.2.60.0100.00516.53
7.2.50.0030.01116.81
7.2.40.0080.00616.65
7.2.30.0090.00516.66
7.2.20.0060.00816.67
7.2.10.0020.01016.77
7.2.00.0040.00917.38
7.1.330.0090.00615.78
7.1.320.0040.01215.72
7.1.310.0100.00315.76
7.1.300.0090.00615.74
7.1.290.0060.00615.48
7.1.280.0070.00715.42
7.1.270.0090.00615.63
7.1.260.0040.01115.61
7.1.250.0080.00315.62
7.1.240.0040.00415.42
7.1.230.0000.01315.68
7.1.220.0000.01115.68
7.1.210.0060.00615.61
7.1.200.0040.01015.47
7.1.190.0000.01115.75
7.1.180.0030.00615.59
7.1.170.0040.01215.61
7.1.160.0030.00715.88
7.1.150.0000.01515.73
7.1.140.0070.00715.79
7.1.130.0030.00515.44
7.1.120.0060.00615.48
7.1.110.0090.00015.73
7.1.100.0070.00716.63
7.1.90.0060.00915.84
7.1.80.0090.00015.84
7.1.70.0070.00316.32
7.1.60.0050.01525.43
7.1.50.0120.00725.20
7.1.40.0130.00825.01
7.1.30.0110.00824.94
7.1.20.0140.00724.87
7.1.10.0010.00815.94
7.1.00.0060.00616.34
7.0.330.0060.00915.23
7.0.320.0070.00715.00
7.0.310.0000.01115.16
7.0.300.0070.00415.16
7.0.290.0070.00315.14
7.0.280.0020.00515.39
7.0.270.0040.00815.37
7.0.260.0030.01015.36
7.0.250.0050.00515.07
7.0.240.0070.00715.32
7.0.230.0030.00615.27
7.0.220.0090.00014.99
7.0.210.0060.00915.12
7.0.200.0000.00916.04
7.0.190.0070.00216.00
7.0.180.0050.00915.62
7.0.170.0070.00615.61
7.0.160.0030.00815.68
7.0.150.0080.00515.70
7.0.140.0050.00715.56
7.0.130.0060.00915.84
7.0.120.0050.00915.70
7.0.110.0070.00515.70
7.0.100.0060.00515.88
7.0.90.0040.00915.66
7.0.80.0040.00815.67
7.0.70.0050.00815.75
7.0.60.0020.01015.68
7.0.50.0050.00615.93
7.0.40.0050.00814.89
7.0.30.0030.01014.93
7.0.20.0050.00814.71
7.0.10.0080.00814.86
7.0.00.0010.01114.96
5.6.400.0060.00313.91
5.6.390.0040.01114.10
5.6.380.0070.00714.30
5.6.370.0110.00414.35
5.6.360.0000.01013.99
5.6.350.0060.00614.05
5.6.340.0030.00914.38
5.6.330.0040.00814.40
5.6.320.0040.01414.46
5.6.310.0060.00614.04
5.6.300.0060.00614.52
5.6.290.0080.00614.10
5.6.280.0040.00414.15
5.6.270.0030.00914.35
5.6.260.0060.00914.32
5.6.250.0070.00714.13
5.6.240.0000.01414.11
5.6.230.0000.01314.18
5.6.220.0070.00714.23
5.6.210.0000.00914.06
5.6.200.0070.00714.04
5.6.190.0050.00514.29
5.6.180.0000.01013.92
5.6.170.0040.01114.03
5.6.160.0060.00614.06
5.6.150.0090.00614.03
5.6.140.0040.00614.48
5.6.130.0100.00614.10
5.6.120.0030.01013.82
5.6.110.0090.00014.13
5.6.100.0060.00613.96
5.6.90.0080.00414.07
5.6.80.0070.00414.17
5.6.70.0090.00314.09
5.6.60.0060.00914.00
5.6.50.0090.00613.95
5.6.40.0060.00613.95
5.6.30.0070.00314.19
5.6.20.0030.00914.20
5.6.10.0030.00714.31
5.6.00.0030.00913.98

preferences:
32.94 ms | 400 KiB | 5 Q