3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); echo $_GET['aaa']; $user = $_GET['xxx'] ?? 'nobody'; var_dump($user); $null = ''; var_dump($null??'haha'); $arr = ['a' => 1]; echo $arr[0]; var_dump($arr['b'] ?? 'bbbb');

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)
8.3.60.0120.00616.38
8.3.50.0050.01321.15
8.3.40.0120.00918.79
8.3.30.0100.00318.73
8.3.20.0040.00420.04
8.3.10.0040.00421.60
8.3.00.0000.00723.56
8.2.180.0090.00616.50
8.2.170.0090.00922.96
8.2.160.0080.00820.32
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0080.00019.77
8.2.120.0040.00426.35
8.2.110.0040.00420.41
8.2.100.0040.00818.03
8.2.90.0040.00419.16
8.2.80.0060.00317.97
8.2.70.0130.00317.46
8.2.60.0060.00317.93
8.2.50.0060.00318.07
8.2.40.0040.00422.23
8.2.30.0070.00019.49
8.2.20.0040.00417.73
8.2.10.0050.00218.03
8.2.00.0040.00418.02
8.1.280.0130.00625.92
8.1.270.0090.00023.99
8.1.260.0080.00028.09
8.1.250.0070.00028.09
8.1.240.0040.00422.18
8.1.230.0080.00420.86
8.1.220.0050.00317.74
8.1.210.0090.00018.77
8.1.200.0100.00017.23
8.1.190.0040.00417.22
8.1.180.0090.00018.10
8.1.170.0030.00618.71
8.1.160.0050.00220.73
8.1.150.0030.00518.78
8.1.140.0000.00919.57
8.1.130.0040.00417.69
8.1.120.0000.00717.48
8.1.110.0040.00417.37
8.1.100.0000.00717.44
8.1.90.0000.00817.45
8.1.80.0000.00817.30
8.1.70.0000.00717.37
8.1.60.0040.00417.49
8.1.50.0040.00417.55
8.1.40.0040.00417.40
8.1.30.0060.00317.64
8.1.20.0060.00317.52
8.1.10.0000.00717.57
8.1.00.0020.00517.39
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0030.00318.48
8.0.270.0030.00317.31
8.0.260.0030.00317.19
8.0.250.0000.00716.89
8.0.240.0030.00317.02
8.0.230.0000.00817.03
8.0.220.0030.00616.92
8.0.210.0000.00716.97
8.0.200.0030.00316.99
8.0.190.0080.00016.89
8.0.180.0070.00016.95
8.0.170.0030.00616.82
8.0.160.0000.00717.03
8.0.150.0030.00316.91
8.0.140.0070.00016.85
8.0.130.0000.00513.43
8.0.120.0000.00816.98
8.0.110.0050.00316.85
8.0.100.0000.00716.97
8.0.90.0070.00016.91
8.0.80.0030.01317.00
8.0.70.0040.00416.98
8.0.60.0040.00416.83
8.0.50.0040.00417.00
8.0.30.0070.01017.15
8.0.20.0130.00517.40
8.0.10.0000.00717.02
8.0.00.0110.01017.00
7.4.330.0050.00016.80
7.4.320.0000.00616.50
7.4.300.0000.00716.46
7.4.290.0030.00316.44
7.4.280.0030.00616.39
7.4.270.0000.00616.39
7.4.260.0070.00316.37
7.4.250.0000.00916.54
7.4.240.0020.00516.55
7.4.230.0070.00016.67
7.4.220.0040.01216.52
7.4.210.0120.00316.70
7.4.200.0030.00316.58
7.4.160.0060.01116.46
7.4.150.0060.01217.40
7.4.140.0120.00917.86
7.4.130.0110.00816.60
7.4.120.0110.00816.54
7.4.110.0030.01316.47
7.4.100.0030.01416.57
7.4.90.0120.00616.50
7.4.80.0110.01219.39
7.4.70.0100.01016.68
7.4.60.0170.00316.63
7.4.50.0100.00316.63
7.4.40.0030.01316.67
7.4.30.0100.01416.45
7.4.00.0070.00715.03
7.3.330.0030.00313.15
7.3.320.0060.00013.16
7.3.310.0000.00616.19
7.3.300.0030.00316.29
7.3.290.0090.01116.35
7.3.280.0080.01116.34
7.3.270.0170.00017.40
7.3.260.0140.00516.52
7.3.250.0110.00916.53
7.3.240.0060.01416.41
7.3.230.0190.00616.39
7.3.210.0080.00816.25
7.3.200.0120.00819.39
7.3.190.0180.00016.32
7.3.180.0060.01316.30
7.3.170.0080.01116.31
7.3.160.0070.01016.25
7.3.10.0030.01016.78
7.3.00.0040.01116.88
7.2.330.0080.01016.80
7.2.320.0090.00816.71
7.2.310.0120.00616.46
7.2.300.0040.01216.36
7.2.290.0090.00616.40
7.2.130.0040.00817.08
7.2.120.0070.00716.94
7.2.110.0060.00916.98
7.2.100.0050.00517.04
7.2.90.0080.00816.59
7.2.80.0070.00716.93
7.2.70.0000.01116.80
7.2.60.0070.00716.97
7.2.50.0070.00716.66
7.2.40.0000.00917.01
7.2.30.0090.00316.84
7.2.20.0040.01016.87
7.2.10.0030.00616.98
7.2.00.0030.00918.09
7.1.250.0000.00915.98
7.1.200.0090.00315.88
7.1.100.0060.00618.34
7.1.70.0040.00417.19
7.1.60.0130.01319.20
7.1.50.0110.00617.05
7.1.00.0130.06722.32
7.0.200.0040.00416.65
7.0.60.0330.07321.75
7.0.50.0100.07717.89
7.0.40.0100.05019.90
7.0.30.0300.07020.13
7.0.20.0300.07720.30
7.0.10.0170.08020.09
7.0.00.0100.05720.18
5.6.280.0000.06721.09
5.6.210.0130.07320.56
5.6.200.0070.03718.22
5.6.190.0070.06720.50
5.6.180.0330.07020.47
5.6.170.0270.07320.54
5.6.160.0030.08720.39
5.6.150.0170.07018.17
5.6.140.0100.08018.21
5.6.130.0170.07718.23
5.6.120.0030.08720.86
5.6.110.0070.09020.96
5.6.100.0100.06320.99
5.6.90.0070.05721.07
5.6.80.0130.07320.28
5.5.350.0070.08020.39
5.5.340.0070.03718.10
5.5.330.0030.04720.27
5.5.320.0230.04320.36
5.5.310.0230.04020.27
5.5.300.0070.04317.95
5.5.290.0070.05018.04
5.5.280.0100.08020.88
5.5.270.0100.08020.83
5.5.260.0000.04320.72
5.5.250.0100.07320.46
5.5.240.0130.07720.11

preferences:
63.25 ms | 401 KiB | 5 Q