3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (empty($a)) { echo 'foo'; } else { echo 'bar'; } empty($a['aaaa']); empty($b['aaaaa']);

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
8.3.50.0130.01022.09
8.3.40.0170.00318.79
8.3.30.0100.00718.71
8.3.20.0070.00719.02
8.3.10.0090.00021.90
8.3.00.0000.00919.80
8.2.180.0070.01018.41
8.2.170.0170.00322.96
8.2.160.0100.00322.20
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0070.00019.38
8.2.120.0080.00026.35
8.2.110.0000.01021.04
8.2.100.0000.01317.93
8.2.90.0040.00419.23
8.2.80.0040.00417.97
8.2.70.0030.00517.50
8.2.60.0050.00317.80
8.2.50.0030.00618.10
8.2.40.0030.00520.58
8.2.30.0040.00819.05
8.2.20.0020.00518.05
8.2.10.0000.00717.98
8.2.00.0040.00417.60
8.1.280.0070.01125.92
8.1.270.0050.00322.19
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00322.10
8.1.230.0110.00017.45
8.1.220.0080.00017.74
8.1.210.0030.00618.77
8.1.200.0040.00417.23
8.1.190.0070.00017.23
8.1.180.0080.00018.10
8.1.170.0000.00818.42
8.1.160.0040.00423.84
8.1.150.0080.00020.52
8.1.140.0040.00419.38
8.1.130.0060.00319.06
8.1.120.0040.00417.33
8.1.110.0030.00417.34
8.1.100.0020.00517.35
8.1.90.0040.00417.30
8.1.80.0000.00817.32
8.1.70.0070.00017.32
8.1.60.0040.00417.48
8.1.50.0090.00017.33
8.1.40.0000.00817.38
8.1.30.0040.00417.53
8.1.20.0070.00017.55
8.1.10.0060.00317.41
8.1.00.0000.00817.44
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0000.00718.30
8.0.270.0080.00017.20
8.0.260.0090.00017.10
8.0.250.0030.00316.82
8.0.240.0000.00616.87
8.0.230.0030.00316.74
8.0.220.0000.00616.78
8.0.210.0000.00716.83
8.0.200.0030.00316.79
8.0.190.0080.00016.70
8.0.180.0030.00616.71
8.0.170.0040.00416.84
8.0.160.0000.00716.79
8.0.150.0000.00816.60
8.0.140.0000.00716.74
8.0.130.0030.00313.23
8.0.120.0050.00316.65
8.0.110.0030.00316.63
8.0.100.0050.00316.78
8.0.90.0000.00816.55
8.0.80.0060.00916.81
8.0.70.0000.00716.71
8.0.60.0020.00516.75
8.0.50.0050.00216.73
8.0.30.0090.00916.84
8.0.20.0130.00917.40
8.0.10.0070.00016.94
8.0.00.0040.01416.38
7.4.330.0000.00515.55
7.4.320.0060.00016.39
7.4.300.0000.00616.38
7.4.290.0000.00716.23
7.4.280.0040.00416.48
7.4.270.0000.00616.52
7.4.260.0070.00016.47
7.4.250.0030.00316.48
7.4.240.0000.00716.39
7.4.230.0000.00716.57
7.4.220.0180.00516.38
7.4.210.0070.00916.41
7.4.200.0050.00216.27
7.4.160.0070.00816.37
7.4.150.0140.00417.40
7.4.140.0100.00917.86
7.4.130.0130.00516.43
7.4.120.0120.00916.33
7.4.110.0100.00716.56
7.4.100.0070.01116.45
7.4.90.0120.00616.38
7.4.80.0100.00619.39
7.4.70.0060.01616.52
7.4.60.0030.01416.46
7.4.50.0100.00416.16
7.4.40.0150.00316.19
7.4.30.0100.00716.26
7.4.00.0050.01114.65
7.3.330.0040.00413.07
7.3.320.0020.00212.94
7.3.310.0030.00316.16
7.3.300.0040.00416.23
7.3.290.0000.00716.20
7.3.280.0090.00816.23
7.3.270.0120.00617.40
7.3.260.0110.00716.43
7.3.250.0090.01116.22
7.3.240.0070.01116.17
7.3.230.0030.01516.39
7.3.210.0130.00316.44
7.3.200.0080.00916.15
7.3.190.0110.00516.43
7.3.180.0100.00716.38
7.3.170.0150.00016.54
7.3.160.0100.00616.44
7.3.120.0050.01214.96
7.3.110.0030.01414.57
7.3.100.0070.00714.96
7.3.90.0040.01114.50
7.3.80.0090.00614.82
7.3.70.0100.00614.73
7.3.60.0080.00414.70
7.3.50.0070.00714.41
7.3.40.0110.00414.77
7.3.30.0050.00614.54
7.3.20.0060.00916.59
7.3.10.0140.00616.61
7.3.00.0090.00716.04
7.2.330.0100.00716.46
7.2.320.0130.00316.57
7.2.310.0080.00816.61
7.2.300.0030.01316.34
7.2.290.0060.01016.66
7.2.250.0130.00614.66
7.2.240.0000.01615.04
7.2.230.0030.01415.10
7.2.220.0060.00614.93
7.2.210.0040.01415.12
7.2.200.0120.00415.07
7.2.190.0040.01414.65
7.2.180.0060.00914.98
7.2.170.0160.00314.69
7.2.130.0130.00916.08
7.2.120.0180.00516.43
7.2.110.0120.01316.65
7.2.100.0130.00616.37
7.2.90.0170.00716.70
7.2.80.0150.00816.75
7.2.70.0100.01016.35
7.2.60.0190.00716.34
7.2.50.0080.00816.43
7.2.40.0130.01016.89
7.2.30.0100.00716.36
7.2.20.0150.00616.22
7.2.10.0120.00816.26
7.2.00.0110.00416.64
7.1.330.0090.00615.67
7.1.320.0060.00615.67
7.1.310.0030.01415.58
7.1.300.0070.01315.73
7.1.290.0060.01315.46
7.1.280.0000.01515.39
7.1.270.0090.00315.64
7.1.260.0100.00315.76
7.1.250.0250.00815.79
7.1.70.0100.00016.94
7.1.60.0030.01017.20
7.1.00.0100.06022.68
7.0.200.0470.00714.57
7.0.140.0230.06021.92
7.0.130.0070.06022.25
7.0.120.0070.06022.01
7.0.110.0100.06022.16
7.0.100.0100.06022.07
7.0.90.0030.06722.27
7.0.80.0100.05322.05
7.0.70.0130.05722.00
7.0.60.0070.05722.08
7.0.50.0070.05722.20
7.0.40.0130.05321.97
7.0.30.0030.06021.96
7.0.20.0070.06022.07
7.0.10.0100.05321.96
7.0.00.0030.06022.13
5.6.290.0100.05720.73
5.6.280.0200.04720.88
5.6.270.0130.05720.92
5.6.260.0170.05020.85
5.6.250.0130.05320.97
5.6.240.0070.06321.09
5.6.230.0070.06021.01
5.6.220.0100.06020.94
5.6.210.0130.05320.99
5.6.200.0170.06320.82
5.6.190.0070.06320.73
5.6.180.0200.05321.05
5.6.170.0030.06721.05
5.6.160.0070.05720.86
5.6.150.0070.05720.85
5.6.140.0100.06320.77
5.6.130.0130.05021.07
5.6.120.0070.06320.87
5.6.110.0100.06020.97
5.6.100.0130.06720.98
5.6.90.0070.05720.84
5.6.80.0130.05020.11
5.6.70.0100.05320.35
5.6.60.0130.05320.30
5.6.50.0070.05320.22
5.6.40.0030.06020.23
5.6.30.0130.05020.42
5.6.20.0100.05720.39
5.6.10.0070.06020.23
5.6.00.0170.06720.18

preferences:
44.14 ms | 401 KiB | 5 Q