3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a' => 'A'); var_dump(empty($arr['a']));

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)
8.3.60.0070.00716.50
8.3.50.0110.00622.82
8.3.40.0070.00718.67
8.3.30.0030.01018.79
8.3.20.0040.00420.36
8.3.10.0040.00421.60
8.3.00.0030.00617.63
8.2.180.0100.01316.88
8.2.170.0070.00722.96
8.2.160.0110.00320.39
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0040.00420.87
8.2.110.0030.00720.43
8.2.100.0040.00817.84
8.2.90.0060.00319.22
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0130.00017.62
8.2.30.0040.00418.01
8.2.20.0000.00717.55
8.2.10.0070.00017.86
8.2.00.0050.00217.67
8.1.280.0090.00925.92
8.1.270.0030.00623.96
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.78
8.1.230.0030.00821.84
8.1.220.0000.00917.74
8.1.210.0050.00218.77
8.1.200.0070.00717.13
8.1.190.0040.00417.00
8.1.180.0040.00418.10
8.1.170.0050.00318.48
8.1.160.0040.00421.89
8.1.150.0070.00018.80
8.1.140.0000.00717.33
8.1.130.0030.00317.87
8.1.120.0000.00817.37
8.1.110.0000.00717.29
8.1.100.0030.00517.40
8.1.90.0050.00217.36
8.1.80.0020.00517.43
8.1.70.0000.00717.36
8.1.60.0030.00617.50
8.1.50.0030.00617.51
8.1.40.0050.00317.48
8.1.30.0000.00917.62
8.1.20.0050.00217.55
8.1.10.0040.00417.50
8.1.00.0040.00417.45
8.0.300.0050.00318.77
8.0.290.0080.00016.58
8.0.280.0030.00318.37
8.0.270.0000.01017.19
8.0.260.0000.00717.09
8.0.250.0030.00316.76
8.0.240.0030.00316.82
8.0.230.0000.00716.92
8.0.220.0000.00716.84
8.0.210.0040.00416.70
8.0.200.0030.00316.81
8.0.190.0030.00316.93
8.0.180.0070.00016.78
8.0.170.0000.00716.72
8.0.160.0030.00516.71
8.0.150.0070.00016.77
8.0.140.0060.00316.75
8.0.130.0050.00013.14
8.0.120.0090.00016.68
8.0.110.0000.00716.83
8.0.100.0040.00416.76
8.0.90.0000.00716.86
8.0.80.0040.01116.77
8.0.70.0040.00416.82
8.0.60.0000.00716.81
8.0.50.0000.00716.64
8.0.30.0110.01017.02
8.0.20.0130.00817.40
8.0.10.0040.00416.71
8.0.00.0110.00716.59
7.4.330.0000.00515.08
7.4.320.0000.00716.35
7.4.300.0030.00316.55
7.4.290.0000.00716.44
7.4.280.0080.00016.50
7.4.270.0030.00316.38
7.4.260.0030.00316.43
7.4.250.0040.00416.26
7.4.240.0030.00316.40
7.4.230.0030.00516.53
7.4.220.0100.01316.48
7.4.210.0060.00616.52
7.4.200.0050.00216.32
7.4.160.0120.00316.39
7.4.150.0120.00617.40
7.4.140.0090.00717.86
7.4.130.0080.01016.35
7.4.120.0100.00716.46
7.4.110.0130.00316.22
7.4.100.0060.01216.33
7.4.90.0050.01116.42
7.4.80.0060.01619.39
7.4.70.0100.00716.52
7.4.60.0100.00616.39
7.4.50.0020.00216.52
7.4.40.0080.00816.38
7.4.30.0040.01216.51
7.4.00.0070.00715.04
7.3.330.0030.00312.99
7.3.320.0030.00313.08
7.3.310.0000.00616.14
7.3.300.0030.00316.14
7.3.290.0110.00416.19
7.3.280.0050.00916.20
7.3.270.0080.01217.40
7.3.260.0290.02916.35
7.3.250.0070.01316.26
7.3.240.0110.00616.49
7.3.230.0050.01416.43
7.3.210.0140.00316.37
7.3.200.0090.01519.39
7.3.190.0090.01216.50
7.3.180.0060.01516.21
7.3.170.0030.01316.33
7.3.160.0040.01116.29
7.3.10.0090.00616.53
7.3.00.0060.00916.63
7.2.330.0100.00716.26
7.2.320.0030.01316.47
7.2.310.0100.00716.39
7.2.300.0100.00716.67
7.2.290.0120.00316.43
7.2.130.0000.01416.52
7.2.120.0000.00816.64
7.2.110.0000.01116.79
7.2.100.0030.01116.83
7.2.90.0040.00816.75
7.2.80.0070.00716.51
7.2.70.0080.00816.56
7.2.60.0070.00716.70
7.2.50.0000.00916.60
7.2.40.0100.00616.97
7.2.30.0000.01416.67
7.2.20.0000.01016.87
7.2.10.0030.01016.86
7.2.00.0040.01118.07
7.1.250.0030.01315.68
7.1.100.0030.01017.79
7.1.70.0000.00817.05
7.1.60.0070.01135.05
7.1.50.0130.01016.77
7.1.00.0030.07322.48
7.0.200.0000.00716.72
7.0.140.0030.07322.12
7.0.60.0030.06019.89
7.0.50.0070.04017.85
7.0.40.0130.06019.96
7.0.30.0300.07720.04
7.0.20.0230.07320.02
7.0.10.0030.05320.21
7.0.00.0070.05320.00
5.6.280.0000.07720.89
5.6.210.0100.07720.52
5.6.200.0100.07018.18
5.6.190.0070.04020.41
5.6.180.0330.07320.49
5.6.170.0200.06320.44
5.6.160.0100.07720.71
5.6.150.0070.04718.11
5.6.140.0030.05318.21
5.6.130.0030.05018.21
5.6.120.0030.04020.98
5.6.110.0030.06021.04
5.6.100.0170.07721.00
5.6.90.0030.08721.09
5.6.80.0070.08020.40
5.5.350.0070.07720.44
5.5.340.0000.08717.91
5.5.330.0000.04320.40
5.5.320.0070.07020.29
5.5.310.0300.03320.29
5.5.300.0030.03717.98
5.5.290.0000.04317.95
5.5.280.0030.08720.86
5.5.270.0130.07320.79
5.5.260.0070.08020.96
5.5.250.0200.06720.65
5.5.240.0200.06320.25
5.4.450.0530.05319.46
5.4.440.0530.06719.58
5.4.430.0430.04719.40
5.4.420.0430.06019.54
5.4.410.0430.05319.11
5.4.400.0400.04018.88
5.4.390.0370.05719.09
5.4.380.0470.06019.10
5.4.370.0430.07318.95
5.4.360.0470.05318.88
5.4.350.0500.06019.09
5.4.340.0500.06019.09
5.4.320.0470.04019.16
5.4.310.0300.03719.08
5.4.300.0330.03319.24
5.4.290.0400.03719.09
5.4.280.0300.04019.05
5.4.270.0300.04019.13
5.4.260.0370.03319.16
5.4.250.0300.03719.08
5.4.240.0270.04019.03
5.4.230.0300.03318.87
5.4.220.0270.04019.15
5.4.210.0430.03019.07
5.4.200.0630.03718.92
5.4.190.0330.03319.09
5.4.180.0370.04319.05
5.4.170.0300.03719.09
5.4.160.0330.04718.86
5.4.150.0330.03319.07
5.4.140.0300.03716.43
5.4.130.0270.03716.45
5.4.120.0330.04316.33
5.4.110.0300.03316.38
5.4.100.0300.04016.34
5.4.90.0430.04716.44
5.4.80.0430.07016.48
5.4.70.0430.04716.46
5.4.60.0400.04316.39
5.4.50.0500.06016.36
5.4.40.0530.05716.27
5.4.30.0400.06016.18
5.4.20.0370.05316.38
5.4.10.0430.04316.17
5.4.00.0570.05015.88
5.3.290.0270.04014.62
5.3.280.0530.02714.45
5.3.270.0300.04314.57
5.3.260.0300.03714.44
5.3.250.0330.03314.57
5.3.240.0330.03314.51
5.3.230.0270.04014.57
5.3.220.0330.03314.51
5.3.210.0270.04014.35
5.3.200.0400.04014.39
5.3.190.0470.06314.44
5.3.180.0330.05314.39
5.3.170.0600.05714.51
5.3.160.0470.06314.42
5.3.150.0330.04714.42
5.3.140.0570.05014.58
5.3.130.0500.06014.40
5.3.120.0500.04014.41
5.3.110.0470.04714.39
5.3.100.0500.06313.89
5.3.90.0500.06013.87
5.3.80.0570.05713.96
5.3.70.0470.06313.85
5.3.60.0400.07013.88
5.3.50.0470.04713.78
5.3.40.0370.04013.73
5.3.30.0330.04013.85
5.3.20.0470.06713.62
5.3.10.0600.03713.51
5.3.00.0430.03313.41
5.2.170.0270.03311.75
5.2.160.0370.04311.75
5.2.150.0400.05311.75
5.2.140.0400.04011.75
5.2.130.0400.05011.75
5.2.120.0500.04711.75
5.2.110.0370.06011.75
5.2.100.0300.03011.75
5.2.90.0400.04711.75
5.2.80.0370.05011.75
5.2.70.0470.04711.75
5.2.60.0470.04711.75
5.2.50.0400.05711.75
5.2.40.0430.04311.75
5.2.30.0330.05711.75
5.2.20.0300.05311.75
5.2.10.0330.05311.75
5.2.00.0370.05011.75
5.1.60.0270.05011.75
5.1.50.0400.03011.75
5.1.40.0270.04011.75
5.1.30.0330.03311.75
5.1.20.0300.02711.75
5.1.10.0370.04011.75
5.1.00.0300.03311.75
5.0.50.0230.03311.75
5.0.40.0170.04011.75
5.0.30.0130.05311.75
5.0.20.0230.03711.75
5.0.10.0200.02711.75
5.0.00.0200.04011.75
4.4.90.0130.03711.75
4.4.80.0200.02311.75
4.4.70.0170.03011.75
4.4.60.0200.02711.75
4.4.50.0170.03011.75
4.4.40.0170.04711.75
4.4.30.0100.03711.75
4.4.20.0200.02311.75
4.4.10.0230.03011.75
4.4.00.0130.04711.75
4.3.110.0200.03011.75
4.3.100.0170.03011.75
4.3.90.0130.02311.75
4.3.80.0200.03011.75
4.3.70.0200.03011.75
4.3.60.0200.01711.75
4.3.50.0170.03011.75
4.3.40.0200.05011.75
4.3.30.0100.03311.75
4.3.20.0070.03311.75
4.3.10.0170.02711.75
4.3.00.0070.02311.75

preferences:
52.63 ms | 400 KiB | 5 Q