3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; unset($a); var_dump(count($GLOBALS)); var_dump(array_filter($GLOBALS, function($v, $k) { return !in_array($k, ["GLOBALS", "_SERVER", "_GET", "_POST", "_COOKIE", "argv", "argc"]); }));

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)
8.3.60.0120.00616.63
8.3.50.0140.00522.05
8.3.40.0110.00418.83
8.3.30.0060.00918.88
8.3.20.0040.00420.29
8.3.10.0030.01021.74
8.3.00.0080.00019.25
8.2.180.0000.01516.63
8.2.170.0140.00022.96
8.2.160.0070.01320.39
8.2.150.0110.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00420.35
8.2.120.0040.00426.35
8.2.110.0090.00020.55
8.2.100.0110.00017.63
8.2.90.0040.00419.21
8.2.80.0080.00017.97
8.2.70.0000.00917.48
8.2.60.0000.00817.90
8.2.50.0040.00418.07
8.2.40.0080.00019.38
8.2.30.0000.00720.53
8.2.20.0060.00317.74
8.2.10.0030.00617.98
8.2.00.0070.00017.99
8.1.280.0030.01425.92
8.1.270.0040.00423.83
8.1.260.0070.00028.09
8.1.250.0000.00728.09
8.1.240.0000.00922.09
8.1.230.0080.00417.42
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0050.00517.23
8.1.190.0000.00817.63
8.1.180.0070.00318.10
8.1.170.0040.00418.50
8.1.160.0030.00621.96
8.1.150.0030.00618.88
8.1.140.0030.00619.57
8.1.130.0070.00017.57
8.1.120.0030.00417.53
8.1.110.0070.00017.51
8.1.100.0070.00317.35
8.1.90.0000.00717.53
8.1.80.0000.00717.35
8.1.70.0000.00717.35
8.1.60.0060.00317.45
8.1.50.0080.00017.46
8.1.40.0040.00417.43
8.1.30.0060.00317.69
8.1.20.0000.00817.44
8.1.10.0050.00217.51
8.1.00.0060.00317.40
8.0.300.0050.00318.77
8.0.290.0070.00016.88
8.0.280.0070.00018.37
8.0.270.0070.00017.27
8.0.260.0030.00317.25
8.0.250.0030.00317.07
8.0.240.0050.00316.91
8.0.230.0000.00717.09
8.0.220.0000.00716.97
8.0.210.0030.00316.93
8.0.200.0000.00717.04
8.0.190.0040.00417.01
8.0.180.0070.00017.04
8.0.170.0020.00516.95
8.0.160.0040.00416.96
8.0.150.0000.00716.97
8.0.140.0070.00016.95
8.0.130.0060.00313.27
8.0.120.0060.00316.85
8.0.110.0000.00816.92
8.0.100.0050.00216.83
8.0.90.0000.00716.88
8.0.80.0000.01516.91
8.0.70.0050.00316.79
8.0.60.0040.00417.02
8.0.50.0050.00316.86
8.0.30.0120.01117.16
8.0.20.0120.01617.40
8.0.10.0000.00816.96
8.0.00.0080.01116.77
7.4.330.0020.00216.70
7.4.320.0000.00616.53
7.4.300.0030.00316.54
7.4.290.0000.00716.59
7.4.280.0090.00016.55
7.4.270.0030.00316.64
7.4.260.0050.00316.42
7.4.250.0050.00316.45
7.4.240.0040.00416.53
7.4.230.0070.00016.41
7.4.220.0150.00616.66
7.4.210.0120.00716.63
7.4.200.0000.00716.61
7.4.160.0130.00316.25
7.4.150.0160.00317.40
7.4.140.0060.01317.86
7.4.130.0110.00916.50
7.4.120.0100.00916.54
7.4.110.0030.01316.38
7.4.100.0120.01216.53
7.4.90.0080.00816.69
7.4.80.0120.00919.39
7.4.70.0120.00416.52
7.4.60.0130.00616.40
7.4.50.0110.00516.39
7.4.40.0030.01316.64
7.4.30.0030.01416.64
7.4.20.0130.00316.51
7.4.10.0070.01016.58
7.4.00.0090.00915.43
7.3.330.0000.00713.30
7.3.320.0050.00013.17
7.3.310.0000.00816.32
7.3.300.0000.00716.31
7.3.290.0000.00616.35
7.3.280.0090.00816.34
7.3.270.0190.00317.40
7.3.260.0110.00716.45
7.3.250.0090.00916.45
7.3.240.0110.00516.35
7.3.230.0120.00616.39
7.3.210.0060.01016.29
7.3.200.0080.00816.32
7.3.190.0090.00916.56
7.3.180.0130.00316.44
7.3.170.0080.00816.52
7.3.160.0110.00616.40
7.3.150.0060.00916.51
7.3.140.0100.00716.35
7.3.130.0100.00616.54
7.3.120.0090.00615.68
7.3.110.0110.00515.64
7.3.100.0080.00615.29
7.3.90.0060.00815.59
7.3.80.0060.00715.72
7.3.70.0120.00415.38
7.3.60.0030.01315.56
7.3.50.0100.00515.57
7.3.40.0080.00515.49
7.3.30.0100.00515.54
7.3.20.0060.00916.35
7.3.10.0090.00816.44
7.3.00.0060.00716.47
7.2.330.0000.01716.61
7.2.320.0070.01016.71
7.2.310.0100.00616.37
7.2.300.0090.00916.80
7.2.290.0130.00916.41
7.2.280.0030.01316.46
7.2.270.0160.00316.52
7.2.260.0030.01316.42
7.2.250.0090.00915.67
7.2.240.0030.01515.68
7.2.230.0090.00615.82
7.2.220.0070.00615.78
7.2.210.0110.00315.61
7.2.200.0070.00815.65
7.2.190.0050.00915.62
7.2.180.0100.00415.75
7.2.170.0020.01415.65
7.2.160.0060.01316.48
7.2.150.0090.01416.62
7.2.140.0230.00816.49
7.2.130.0090.00816.68
7.2.120.0060.01016.72
7.2.110.0060.01016.75
7.2.100.0080.00616.77
7.2.90.0090.00716.88
7.2.80.0100.00716.75
7.2.70.0050.00816.76
7.2.60.0170.00516.72
7.2.50.0090.00916.77
7.2.40.0090.00616.79
7.2.30.0060.01116.70
7.2.20.0060.01016.80
7.2.10.0080.00616.72
7.2.00.0070.00917.39
7.1.330.0020.01315.51
7.1.320.0050.00815.40
7.1.310.0090.00515.51
7.1.300.0100.00315.48
7.1.290.0040.00715.46
7.1.280.0080.00715.45
7.1.270.0060.01015.38
7.1.260.0100.00715.56
7.1.250.0010.01015.41
7.1.240.0050.01215.33
7.1.230.0030.01315.47
7.1.220.0110.00415.49
7.1.210.0080.00715.38
7.1.200.0090.00815.63
7.1.190.0090.00815.43
7.1.180.0090.00915.60
7.1.170.0060.00815.51
7.1.160.0090.00915.54
7.1.150.0070.00515.60
7.1.140.0050.00915.28
7.1.130.0050.00615.31
7.1.120.0080.00615.59
7.1.110.0080.00815.45
7.1.100.0070.00816.30
7.1.90.0110.00315.50
7.1.80.0100.00615.52
7.1.70.0070.00815.92
7.1.60.0060.01216.85
7.1.50.0110.00915.92
7.1.40.0110.00615.53
7.1.30.0090.00415.28
7.1.20.0090.00715.38
7.1.10.0070.00715.44
7.1.00.0070.02917.85
7.0.330.0090.00815.23
7.0.320.0070.00815.04
7.0.310.0050.01015.18
7.0.300.0100.00715.16
7.0.290.0030.01415.12
7.0.280.0070.00915.13
7.0.270.0050.01015.21
7.0.260.0120.00415.02
7.0.250.0070.00815.32
7.0.240.0110.00815.27
7.0.230.0110.00615.18
7.0.220.0090.00715.24
7.0.210.0230.01015.21
7.0.200.0050.01215.54
7.0.190.0060.01015.22
7.0.180.0110.00515.30
7.0.170.0070.00915.34
7.0.160.0090.00615.27
7.0.150.0080.00915.21
7.0.140.0080.00715.26
7.0.130.0080.00815.23
7.0.120.0050.01015.30
7.0.110.0060.00915.08
7.0.100.0040.01015.26
7.0.90.0080.00815.09
7.0.80.0110.00515.18
7.0.70.0060.00815.29
7.0.60.0110.01516.69
7.0.50.0030.02516.16
7.0.40.0090.01816.17
7.0.30.0200.03116.03
7.0.20.0180.02416.27
7.0.10.0060.02016.17
7.0.00.0030.04016.15
5.6.400.0140.00615.90
5.6.390.0060.01315.84
5.6.380.0080.00914.96
5.6.370.0060.01015.02
5.6.360.0070.00914.99
5.6.350.0030.01214.92
5.6.340.0110.00514.87
5.6.330.0100.00715.01
5.6.320.0070.01115.12
5.6.310.0120.01014.96
5.6.300.0060.00815.09
5.6.290.0090.00915.05
5.6.280.0070.01917.06
5.6.270.0100.00614.92
5.6.260.0070.01114.98
5.6.250.0090.00715.06
5.6.240.0070.01014.96
5.6.230.0070.00814.73
5.6.220.0100.00614.94
5.6.210.0120.02916.80
5.6.200.0080.03115.91
5.6.190.0080.03516.86
5.6.180.0240.02416.69
5.6.170.0170.03016.74
5.6.160.0050.02716.95
5.6.150.0050.02615.98
5.6.140.0050.03515.94
5.6.130.0080.02916.09
5.6.120.0050.03416.99
5.6.110.0060.02216.85
5.6.100.0100.03416.89
5.6.90.0050.02816.88
5.6.80.0130.02616.72
5.6.70.0080.01214.86
5.6.60.0070.01015.00
5.6.50.0070.00715.00
5.6.40.0040.01314.88
5.6.30.0100.00714.88
5.6.20.0140.00614.86
5.6.10.0060.01314.93
5.6.00.0120.00814.87
5.5.380.0050.01013.38
5.5.370.0100.00613.51
5.5.360.0050.01213.46
5.5.350.0110.03115.79
5.5.340.0110.01915.06
5.5.330.0070.03415.73
5.5.320.0200.03215.66
5.5.310.0160.03315.76
5.5.300.0060.02114.98
5.5.290.0060.03514.89
5.5.280.0100.02915.91
5.5.270.0080.02815.91
5.5.260.0090.03315.92
5.5.250.0070.03315.79
5.5.240.0130.03015.65
5.5.230.0060.00913.42
5.5.220.0070.00813.33
5.5.210.0050.00813.35
5.5.200.0110.00513.40
5.5.190.0050.01113.35
5.5.180.0070.00813.33
5.5.170.0080.01013.37
5.5.160.0080.01313.52
5.5.150.0120.00613.34
5.5.140.0050.01313.40
5.5.130.0030.01313.41
5.5.120.0060.01013.41
5.5.110.0080.01113.44
5.5.100.0090.01013.31
5.5.90.0080.00713.53
5.5.80.0060.01113.44
5.5.70.0050.01113.42
5.5.60.0060.01513.44
5.5.50.0090.00913.29
5.5.40.0090.01013.45
5.5.30.0040.01313.43
5.5.20.0050.01313.37
5.5.10.0060.01213.38
5.5.00.0110.00613.46

preferences:
53.58 ms | 401 KiB | 5 Q