3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test1 = array('test' => array('test1' => true)); var_dump(empty($test1['test']['test1'])); var_dump(empty($test1['test']['not_exists']));

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)
8.3.60.0070.00716.62
8.3.50.0110.00821.88
8.3.40.0000.01518.54
8.3.30.0070.00718.79
8.3.20.0050.00220.21
8.3.10.0000.00721.60
8.3.00.0050.00319.01
8.2.180.0070.01518.41
8.2.170.0110.00422.96
8.2.160.0110.00420.57
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0100.00319.67
8.2.110.0030.00719.17
8.2.100.0040.00817.50
8.2.90.0040.00419.23
8.2.80.0080.00017.97
8.2.70.0080.00017.63
8.2.60.0080.00018.04
8.2.50.0040.00418.07
8.2.40.0030.00718.21
8.2.30.0040.00418.05
8.2.20.0050.00217.58
8.2.10.0030.00618.01
8.2.00.0000.00817.61
8.1.280.0150.00325.92
8.1.270.0090.00020.73
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.14
8.1.230.0080.00417.42
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0040.00417.00
8.1.180.0000.00818.10
8.1.170.0040.00420.32
8.1.160.0040.00421.86
8.1.150.0030.00518.75
8.1.140.0000.00817.29
8.1.130.0070.00017.77
8.1.120.0040.00417.42
8.1.110.0050.00317.42
8.1.100.0000.00717.46
8.1.90.0040.00417.35
8.1.80.0040.00417.35
8.1.70.0070.00017.37
8.1.60.0060.00317.45
8.1.50.0000.00717.45
8.1.40.0030.00617.46
8.1.30.0030.00617.58
8.1.20.0060.00317.53
8.1.10.0040.00417.40
8.1.00.0000.00717.35
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0030.00318.28
8.0.270.0050.00317.23
8.0.260.0000.00617.10
8.0.250.0070.00016.77
8.0.240.0000.00716.86
8.0.230.0040.00416.81
8.0.220.0000.00716.73
8.0.210.0000.00716.82
8.0.200.0000.00716.89
8.0.190.0050.00316.86
8.0.180.0000.00716.75
8.0.170.0000.00816.89
8.0.160.0030.00316.80
8.0.150.0030.00616.73
8.0.140.0040.00316.77
8.0.130.0060.00013.33
8.0.120.0000.00716.74
8.0.110.0020.00516.81
8.0.100.0000.00716.80
8.0.90.0040.00416.80
8.0.80.0040.01116.84
8.0.70.0030.00516.63
8.0.60.0040.00416.94
8.0.50.0070.00016.78
8.0.30.0090.01216.98
8.0.20.0220.02017.40
8.0.10.0060.00316.88
8.0.00.0140.00316.75
7.4.330.0000.00615.07
7.4.320.0030.00316.43
7.4.300.0080.00016.41
7.4.290.0000.00716.39
7.4.280.0000.00816.53
7.4.270.0000.00716.36
7.4.260.0030.00316.50
7.4.250.0040.00416.43
7.4.240.0020.00616.36
7.4.230.0040.00416.27
7.4.220.0070.01016.29
7.4.210.0070.00916.43
7.4.200.0030.00316.55
7.4.160.0130.00316.34
7.4.150.0170.00017.40
7.4.140.0100.00917.86
7.4.130.0100.00716.56
7.4.120.0070.01016.61
7.4.110.0110.00716.43
7.4.100.0140.00416.45
7.4.90.0140.00316.47
7.4.80.0070.01419.39
7.4.70.0100.01016.45
7.4.60.0090.00616.43
7.4.50.0000.00716.46
7.4.40.0110.00616.16
7.4.30.0090.00916.61
7.4.00.0030.01015.13
7.3.330.0040.00413.16
7.3.320.0000.01213.16
7.3.310.0080.00016.18
7.3.300.0030.00616.14
7.3.290.0030.00316.24
7.3.280.0070.01016.27
7.3.270.0070.01117.40
7.3.260.0030.01416.27
7.3.250.0110.00816.23
7.3.240.0100.00716.40
7.3.230.0100.00716.39
7.3.210.0090.01316.30
7.3.200.0110.01119.39
7.3.190.0150.00916.26
7.3.180.0090.00916.13
7.3.170.0120.00616.27
7.3.160.0110.01116.18
7.2.330.0200.00016.67
7.2.320.0180.00016.22
7.2.310.0120.00616.22
7.2.300.0100.00716.43
7.2.290.0070.01016.35
7.2.00.0120.00019.31
7.1.200.0070.00715.61
7.1.100.0090.00318.13
7.1.70.0000.00716.86
7.1.60.0130.01019.46
7.1.50.0040.01816.99
7.1.00.0130.06722.30
7.0.200.0050.00516.56
7.0.140.0070.06022.12
7.0.60.0070.06320.07
7.0.50.0070.08317.79
7.0.40.0170.04020.12
7.0.30.0330.07320.34
7.0.20.0130.04320.17
7.0.10.0070.07320.09
7.0.00.0070.09319.99
5.6.280.0000.07720.91
5.6.210.0030.04320.54
5.6.200.0100.08318.18
5.6.190.0100.08320.32
5.6.180.0470.07720.61
5.6.170.0230.05720.54
5.6.160.0030.07020.41
5.6.150.0100.03318.13
5.6.140.0030.08318.22
5.6.130.0100.05318.19
5.6.120.0070.04021.11
5.6.110.0070.04721.01
5.6.100.0100.07020.99
5.6.90.0030.08020.96
5.6.80.0070.03720.53
5.5.350.0400.06720.32
5.5.340.0100.08017.91
5.5.330.0100.07720.21
5.5.320.3230.03720.29
5.5.310.0270.06720.45
5.5.300.0030.06317.91
5.5.290.0030.07717.91
5.5.280.0030.06020.79
5.5.270.0100.05720.94
5.5.260.0070.08020.87
5.5.250.0070.03720.78
5.5.240.0000.08020.15
5.4.450.0630.05719.45
5.4.440.0100.05719.45
5.4.430.0170.05019.45
5.4.420.0130.05019.25
5.4.410.0300.03719.28
5.4.400.0970.04718.59
5.4.390.0870.05318.51
5.4.380.0670.06718.50
5.4.370.0730.05318.77
5.4.360.0900.05018.68
5.4.350.0770.05318.65
5.4.340.0770.05318.53
5.4.320.0700.06018.62
5.4.310.0730.05718.56
5.4.300.0900.06318.58
5.4.290.0970.06718.64
5.4.280.0830.06718.49
5.4.270.0830.06018.73
5.4.260.0870.04718.73
5.4.250.0700.06018.66
5.4.240.0770.05018.50
5.4.230.0800.04318.54
5.4.220.0870.05018.64
5.4.210.0930.05018.44
5.4.200.0970.04316.40
5.4.190.0800.06018.57
5.4.180.0730.05018.69
5.4.170.1000.05318.45
5.4.160.1000.04018.44
5.4.150.1030.03718.75
5.4.140.1000.04316.26
5.4.130.0800.04316.15
5.4.120.0830.04316.16
5.4.110.0670.05316.14
5.4.100.0770.04716.04
5.4.90.0830.04316.16
5.4.80.0870.05316.30
5.4.70.0930.04716.33
5.4.60.0970.04316.23
5.4.50.0630.06016.21
5.4.40.0800.05316.27
5.4.30.0730.05016.00
5.4.20.0900.04716.26
5.4.10.0800.05716.19
5.4.00.0970.04015.75
5.3.290.0930.05314.66
5.3.280.0870.05014.50
5.3.270.0970.05314.69
5.3.260.0900.05014.54
5.3.250.0870.05314.49
5.3.240.0700.05714.62
5.3.230.0830.05014.57
5.3.220.0870.04014.61
5.3.210.0730.06014.49
5.3.200.0870.05314.54
5.3.190.0900.05014.61
5.3.180.0900.05014.60
5.3.170.0830.05314.59
5.3.160.0930.04714.54
5.3.150.0830.05714.47
5.3.140.0930.05014.54
5.3.130.0830.06014.52
5.3.120.0770.05314.53
5.3.110.0700.06014.54
5.3.100.0800.04714.07
5.3.90.0770.04714.07
5.3.80.0900.04713.92
5.3.70.0670.05713.94
5.3.60.0800.04313.90
5.3.50.0700.06013.92
5.3.40.0870.04713.95
5.3.30.0900.05313.87
5.3.20.0900.04713.66
5.3.10.0900.04713.58
5.3.00.0900.05013.58
5.2.170.0630.04011.30
5.2.160.0530.04711.07
5.2.150.0600.04711.20
5.2.140.0730.04311.17
5.2.130.0730.04711.14
5.2.120.0700.03311.04
5.2.110.0600.04311.16
5.2.100.0500.05011.15
5.2.90.0600.04311.11
5.2.80.0700.06011.13
5.2.70.0670.04711.04
5.2.60.0630.04311.08
5.2.50.0700.05311.07
5.2.40.0500.04011.02
5.2.30.0570.03710.88
5.2.20.0500.04010.93
5.2.10.0600.05310.91
5.2.00.0500.04010.72
5.1.60.0430.03710.01
5.1.50.0570.0279.99
5.1.40.0630.02010.04
5.1.30.0600.04710.36
5.1.20.0500.04310.40
5.1.10.0530.03010.08
5.1.00.0470.04010.10
5.0.50.0270.0278.59
5.0.40.0300.0238.43
5.0.30.0370.0378.25
5.0.20.0270.0338.21
5.0.10.0230.0338.20
5.0.00.0330.0578.15
4.4.90.0370.0205.95
4.4.80.0400.0275.90
4.4.70.0270.0375.79
4.4.60.0330.0135.81
4.4.50.0330.0135.91
4.4.40.0270.0335.89
4.4.30.0370.0175.87
4.4.20.0270.0276.00
4.4.10.0330.0205.92
4.4.00.0370.0305.84
4.3.110.0400.0175.84
4.3.100.0300.0205.74
4.3.90.0300.0205.84
4.3.80.0400.0235.85
4.3.70.0300.0205.77
4.3.60.0270.0235.77
4.3.50.0300.0205.82
4.3.40.0330.0335.76
4.3.30.0170.0204.65
4.3.20.0200.0174.60
4.3.10.0130.0234.60
4.3.00.0100.0207.20

preferences:
59.94 ms | 401 KiB | 5 Q