3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = [[]]; echo empty($x) ? 'true':'false';

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)
8.3.60.0060.00818.43
8.3.50.0120.00621.95
8.3.40.0110.00318.54
8.3.30.0000.01418.68
8.3.20.0070.00020.14
8.3.10.0040.00423.58
8.3.00.0050.00319.13
8.2.180.0000.01916.38
8.2.170.0120.00422.96
8.2.160.0090.00619.25
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00022.27
8.2.110.0030.00719.22
8.2.100.0120.00017.91
8.2.90.0030.00519.18
8.2.80.0000.00817.97
8.2.70.0030.00517.25
8.2.60.0000.00817.92
8.2.50.0060.00318.07
8.2.40.0030.00619.88
8.2.30.0070.00018.11
8.2.20.0030.00517.73
8.2.10.0000.00717.90
8.2.00.0040.00417.69
8.1.280.0120.00325.92
8.1.270.0000.00823.96
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0000.00920.90
8.1.230.0030.00717.42
8.1.220.0060.00317.79
8.1.210.0060.00318.77
8.1.200.0050.00517.13
8.1.190.0090.00017.23
8.1.180.0000.00718.10
8.1.170.0040.00418.43
8.1.160.0000.00721.84
8.1.150.0000.00818.78
8.1.140.0040.00417.29
8.1.130.0030.00317.75
8.1.120.0050.00217.45
8.1.110.0050.00217.24
8.1.100.0030.00317.26
8.1.90.0030.00617.25
8.1.80.0000.00717.41
8.1.70.0050.00317.32
8.1.60.0060.00317.51
8.1.50.0080.00017.34
8.1.40.0000.00717.39
8.1.30.0000.00817.55
8.1.20.0040.00417.50
8.1.10.0070.00017.39
8.1.00.0040.00417.31
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0050.00318.54
8.0.270.0070.00017.35
8.0.260.0000.00817.29
8.0.250.0030.00316.82
8.0.240.0000.00716.93
8.0.230.0070.00016.77
8.0.220.0040.00416.75
8.0.210.0000.00716.86
8.0.200.0000.00616.88
8.0.190.0000.00816.89
8.0.180.0000.00716.83
8.0.170.0000.00816.88
8.0.160.0000.00716.91
8.0.150.0040.00416.82
8.0.140.0000.00716.67
8.0.130.0000.00513.17
8.0.120.0080.00016.76
8.0.110.0070.00016.72
8.0.100.0040.00416.65
8.0.90.0000.00716.67
8.0.80.0060.01116.81
8.0.70.0070.00016.72
8.0.60.0030.00316.78
8.0.50.0000.00716.82
8.0.30.0080.01317.01
8.0.20.0070.01517.40
8.0.10.0030.00517.03
8.0.00.0100.00816.57
7.4.330.0000.00515.02
7.4.320.0000.00716.48
7.4.300.0000.00616.36
7.4.290.0020.00516.38
7.4.280.0030.00416.50
7.4.270.0000.00616.36
7.4.260.0030.00516.52
7.4.250.0020.00516.33
7.4.240.0030.00516.39
7.4.230.0040.00216.55
7.4.220.0060.01216.51
7.4.210.0060.01216.55
7.4.200.0000.00716.51
7.4.160.0040.01316.50
7.4.150.0100.00717.40
7.4.140.0110.00917.86
7.4.130.0080.01116.43
7.4.120.0140.00316.38
7.4.110.0120.00916.39
7.4.100.0120.00916.30
7.4.90.0070.01016.36
7.4.80.0060.01719.39
7.4.70.0110.01116.38
7.4.60.0120.00616.31
7.4.50.0000.00816.60
7.4.40.0130.01016.57
7.4.30.0120.00916.36
7.4.00.0060.01014.75
7.3.330.0030.00313.02
7.3.320.0000.00513.07
7.3.310.0040.00416.12
7.3.300.0030.00316.04
7.3.290.0050.01116.13
7.3.280.0080.01116.18
7.3.270.0120.00617.40
7.3.260.0050.01316.50
7.3.250.0110.00816.31
7.3.240.0110.00616.35
7.3.230.0070.01316.39
7.3.210.0160.00316.17
7.3.200.0130.00919.39
7.3.190.0090.01216.13
7.3.180.0100.01016.51
7.3.170.0130.00316.27
7.3.160.0090.00616.45
7.3.10.0100.00716.66
7.3.00.0030.01316.40
7.2.330.0100.00716.56
7.2.320.0000.01616.39
7.2.310.0060.00916.29
7.2.300.0070.01116.69
7.2.290.0200.00316.57
7.2.130.0040.00816.62
7.2.120.0070.00716.82
7.2.110.0000.01516.50
7.2.100.0060.00616.79
7.2.90.0000.01116.62
7.2.80.0030.01416.58
7.2.70.0110.00416.82
7.2.60.0050.00816.82
7.2.50.0040.01116.91
7.2.40.0100.00716.92
7.2.30.0040.00416.44
7.2.20.0040.01116.55
7.2.10.0040.01116.68
7.2.00.0020.01017.83
7.1.250.0100.00615.36
7.1.200.0100.00015.27
7.1.100.0030.00917.76
7.1.70.0080.00317.03
7.1.60.0090.01519.11
7.1.50.0070.01816.74
7.1.00.0070.07322.51
7.0.200.0000.00816.73
7.0.140.0030.07722.18
7.0.60.0170.07320.00
7.0.50.0070.03717.71
7.0.40.0030.05719.90
7.0.30.0200.04720.20
7.0.20.0200.08320.20
7.0.10.0100.04020.11
7.0.00.0130.05320.01
5.6.280.0000.07720.81
5.6.210.0070.06020.62
5.6.200.0130.07718.18
5.6.190.0000.04720.64
5.6.180.0200.08320.27
5.6.170.0200.05320.38
5.6.160.0130.08020.51
5.6.150.0070.08318.20
5.6.140.0070.07718.19
5.6.130.0070.07018.17
5.6.120.0170.07021.04
5.6.110.0070.08720.95
5.6.100.0130.07721.07
5.6.90.0100.06721.09
5.6.80.0070.08020.39
5.5.350.4330.03720.39
5.5.340.0030.05317.94
5.5.330.0030.05720.28
5.5.320.0170.04320.13
5.5.310.0270.07720.26
5.5.300.0100.07718.01
5.5.290.0070.05718.01
5.5.280.0130.07720.82
5.5.270.0070.04720.95
5.5.260.0030.08720.96
5.5.250.0100.08320.67
5.5.240.0230.07720.18
5.4.450.0130.04019.14
5.4.440.0170.04319.57
5.4.430.0200.03319.38
5.4.420.0200.03719.41
5.4.410.0230.03019.36
5.4.400.0170.03318.91
5.4.390.0130.04319.06
5.4.380.0170.03319.09
5.4.370.0170.03718.91
5.4.360.0170.03719.10
5.4.350.0200.04019.22
5.4.340.0100.04319.24
5.4.320.0270.03319.22
5.4.310.0170.03719.22
5.4.300.0270.03318.77
5.4.290.0130.04019.13
5.4.280.0170.03319.10
5.4.270.0170.03319.09
5.4.260.0170.03718.81
5.4.250.0200.04319.07
5.4.240.0170.03719.07
5.4.230.0130.05019.09
5.4.220.0170.04019.21
5.4.210.0170.03319.27
5.4.200.0230.02718.80
5.4.190.0130.03719.15
5.4.180.0230.03019.23
5.4.170.0200.03718.76
5.4.160.0130.03718.75
5.4.150.0200.03319.22
5.4.140.0100.04016.23
5.4.130.0170.03316.43
5.4.120.0230.03716.43
5.4.110.0200.04716.21
5.4.100.0170.05316.39
5.4.90.0170.04716.43
5.4.80.0230.03716.17
5.4.70.0270.06316.35
5.4.60.0230.05716.36
5.4.50.0170.06716.41
5.4.40.0170.07316.19
5.4.30.0170.05716.36
5.4.20.0230.06716.39
5.4.10.0100.06316.03
5.4.00.0170.04015.73
5.3.290.0230.06714.62
5.3.280.0100.05314.46
5.3.270.0270.06714.62
5.3.260.0300.07014.46
5.3.250.0230.03714.57
5.3.240.0130.04014.51
5.3.230.0200.03314.45
5.3.220.0130.04014.43
5.3.210.0200.05314.41
5.3.200.0170.03714.47
5.3.190.0370.03314.58
5.3.180.0300.06714.66
5.3.170.0330.03714.42
5.3.160.0270.06714.51
5.3.150.0200.05014.51
5.3.140.0100.05314.61
5.3.130.0230.05714.40
5.3.120.0200.07014.59
5.3.110.0270.07314.45
5.3.100.0230.03313.90
5.3.90.0270.07014.04
5.3.80.0200.04013.96
5.3.70.0170.04313.92
5.3.60.0170.03313.96
5.3.50.0230.06313.80
5.3.40.0200.07013.90
5.3.30.0170.06713.85
5.3.20.0300.05013.53
5.3.10.0230.03013.50
5.3.00.0130.03713.57
5.2.170.0170.02711.86
5.2.160.0200.05311.86
5.2.150.0130.03011.86
5.2.140.0130.06711.86
5.2.130.0200.05711.86
5.2.120.0200.04311.86
5.2.110.0100.04711.86
5.2.100.0130.06011.86
5.2.90.0230.04011.86
5.2.80.0100.04311.86
5.2.70.0200.06011.86
5.2.60.0100.05311.86
5.2.50.0230.02711.86
5.2.40.0130.03011.86
5.2.30.0200.05311.86
5.2.20.0100.06011.86
5.2.10.0070.03311.86
5.2.00.0200.02311.86
5.1.60.0130.02311.86
5.1.50.0100.06311.86
5.1.40.0200.04011.86
5.1.30.0130.02711.86
5.1.20.0170.04711.86
5.1.10.0330.02311.86
5.1.00.0130.03311.86
5.0.50.0100.02711.86
5.0.40.0070.02311.86
5.0.30.0100.03011.86
5.0.20.0100.04011.86
5.0.10.0070.02311.86
5.0.00.0100.05311.86
4.4.90.0100.02011.86
4.4.80.0100.01711.86
4.4.70.0070.02011.86
4.4.60.0100.01311.86
4.4.50.0100.01311.86
4.4.40.0130.04311.86
4.4.30.0100.02011.86
4.4.20.0070.02011.86
4.4.10.0070.02011.86
4.4.00.0030.02711.86
4.3.110.0100.03011.86
4.3.100.0100.02011.86
4.3.90.0070.01711.86
4.3.80.0070.02311.86
4.3.70.0070.03011.86
4.3.60.0100.01011.86
4.3.50.0100.02011.86
4.3.40.0100.03311.86
4.3.30.0030.01711.86
4.3.20.0030.02011.86
4.3.10.0070.01311.86
4.3.00.0030.01711.86

preferences:
52.59 ms | 401 KiB | 5 Q