3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getData() { $a[0] = &$a; return $a; } function recurcive(&$data) { $data[] = 'X'; if (end($data[0]) !== 'X') { recurcive($data[0]); } } $data = getData(); recurcive($data);

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)
8.4.130.0160.00417.52
8.4.120.0100.00920.62
8.4.110.0100.01022.29
8.4.100.0120.00917.48
8.4.90.0130.00718.74
8.4.80.0120.00817.56
8.4.70.0060.00517.89
8.4.60.0030.00618.90
8.4.50.0130.00718.83
8.4.40.0150.00019.48
8.4.30.0000.00820.40
8.4.20.0110.00418.63
8.4.10.0030.00617.80
8.3.260.0130.00716.59
8.3.250.0110.00719.01
8.3.240.0130.00816.55
8.3.230.0100.00916.80
8.3.220.0120.00917.14
8.3.210.0080.00616.41
8.3.200.0080.00116.43
8.3.190.0070.00817.28
8.3.180.0140.00516.55
8.3.170.0090.00918.93
8.3.160.0000.00819.91
8.3.150.0110.00816.70
8.3.140.0040.00418.92
8.3.130.0050.00316.48
8.3.120.0000.01118.92
8.3.110.0060.00316.30
8.3.100.0040.00416.77
8.3.90.0100.00316.41
8.3.80.0030.00617.97
8.3.70.0140.00716.63
8.3.60.0170.00318.45
8.3.50.0090.00921.21
8.3.40.0070.01418.67
8.3.30.0140.00718.52
8.3.20.0040.00420.90
8.3.10.0040.00421.92
8.3.00.0030.00523.50
8.2.290.0040.00320.40
8.2.280.0110.00618.23
8.2.270.0130.00619.07
8.2.260.0060.00318.26
8.2.250.0080.00016.49
8.2.240.0060.00317.40
8.2.230.0040.00420.94
8.2.220.0060.00324.06
8.2.210.0070.00726.77
8.2.200.0000.01018.25
8.2.190.0140.00716.63
8.2.180.0100.00716.38
8.2.170.0140.00022.96
8.2.160.0100.00322.11
8.2.150.0000.01024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00026.16
8.2.110.0060.00319.27
8.2.100.0040.00817.59
8.2.90.0030.00617.91
8.2.80.0030.00519.03
8.2.70.0080.00017.63
8.2.60.0000.00817.50
8.2.50.0040.00417.63
8.2.40.0000.00819.35
8.2.30.0000.00819.16
8.2.20.0030.00618.09
8.2.10.0000.00719.23
8.2.00.0040.00419.29
8.1.330.0110.00723.83
8.1.320.0130.00615.94
8.1.310.0080.00018.44
8.1.300.0000.01216.16
8.1.290.0060.00318.88
8.1.280.0030.01425.92
8.1.270.0080.00020.52
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00322.06
8.1.230.0070.00320.82
8.1.220.0030.00617.74
8.1.210.0080.00018.84
8.1.200.0050.00517.23
8.1.190.0100.00017.00
8.1.180.0050.00318.10
8.1.170.0030.00617.62
8.1.160.0070.00018.83
8.1.150.0080.00018.88
8.1.140.0000.00720.92
8.1.130.0030.00320.01
8.1.120.0000.00717.38
8.1.110.0040.00417.36
8.1.100.0040.00417.46
8.1.90.0030.00517.27
8.1.80.0080.00017.26
8.1.70.0090.00017.35
8.1.60.0000.01017.53
8.1.50.0050.00317.56
8.1.40.0060.00317.50
8.1.30.0030.00617.67
8.1.20.0060.00317.64
8.1.10.0080.00017.50
8.1.00.0040.00417.41
8.0.300.0050.00320.16
8.0.290.0030.00616.63
8.0.280.0030.00318.42
8.0.270.0000.00717.18
8.0.260.0030.00319.91
8.0.250.0060.00316.82
8.0.240.0000.01016.93
8.0.230.0030.00316.84
8.0.220.0000.01016.65
8.0.210.0000.00816.69
8.0.200.0030.00616.75
8.0.190.0040.00416.92
8.0.180.0080.00016.79
8.0.170.0060.00316.90
8.0.160.0030.00516.93
8.0.150.0040.00416.80
8.0.140.0040.00416.67
8.0.130.0030.00313.28
8.0.120.0050.00216.73
8.0.110.0040.00416.77
8.0.100.0070.00016.85
8.0.90.0000.00916.72
8.0.80.0070.01016.82
8.0.70.0000.00816.72
8.0.60.0040.00416.89
8.0.50.0000.00816.81
8.0.30.0070.01016.96
8.0.20.0120.00716.79
8.0.10.0040.00416.98
8.0.00.0130.00816.51
7.4.330.0000.00516.79
7.4.320.0060.00016.51
7.4.300.0030.00316.50
7.4.290.0080.00016.50
7.4.280.0100.00016.49
7.4.270.0040.00416.58
7.4.260.0000.00513.26
7.4.250.0030.00316.45
7.4.240.0040.00416.52
7.4.230.0000.00716.69
7.4.220.0020.00516.40
7.4.210.0100.00516.59
7.4.200.0030.00316.54
7.4.130.0110.01716.40
7.4.120.0040.01216.64
7.4.110.0070.01016.59
7.4.100.0060.01216.47
7.4.90.0030.01316.52
7.4.80.0090.00919.39
7.4.70.0120.00616.41
7.4.60.0030.01416.46
7.4.50.0080.01016.59
7.4.40.0100.00716.38
7.4.30.0080.00816.03
7.4.20.0100.00716.54
7.4.10.0030.01316.34
7.4.00.0040.01215.72
7.3.330.0030.00316.29
7.3.320.0030.00313.32
7.3.310.0030.00316.16
7.3.300.0000.00616.19
7.3.290.0040.00416.16
7.3.280.0100.00716.30
7.3.260.0110.00816.49
7.3.240.0090.01016.31
7.3.230.0090.01216.45
7.3.210.0090.00916.43
7.3.200.0130.00916.24
7.3.190.0120.00316.32
7.3.180.0110.00716.62
7.3.170.0090.01216.66
7.3.160.0110.00516.39
7.3.150.0040.01216.31
7.3.140.0110.00616.36
7.3.130.0110.00516.23
7.3.120.0110.00516.17
7.3.110.0090.00916.55
7.3.100.0100.01016.52
7.3.90.0120.00416.52
7.3.80.0120.00815.59
7.3.70.0090.01115.48
7.3.60.0060.01115.51
7.3.50.0090.01015.46
7.3.40.0100.01115.60
7.3.30.0140.00815.46
7.3.20.0130.00916.37
7.3.10.0170.01016.30
7.3.00.0140.00616.39
7.2.330.0100.01016.57
7.2.320.0070.01016.79
7.2.310.0110.00716.53
7.2.300.0070.01016.61
7.2.290.0060.01016.66
7.2.280.0140.00416.78
7.2.270.0060.01116.64
7.2.260.0090.00816.79
7.2.250.0000.01716.60
7.2.240.0060.01216.40
7.2.230.0080.00816.36
7.2.220.0100.00716.40
7.2.210.0080.01115.78
7.2.200.0090.01415.82
7.2.190.0170.00515.84
7.2.180.0150.00815.85
7.2.170.0130.00915.71
7.2.160.0110.01115.85
7.2.150.0130.01016.50
7.2.140.0170.00616.74
7.2.130.0190.00716.63
7.2.120.0180.00716.69
7.2.110.0040.01616.86
7.2.100.0100.00516.68
7.2.90.0120.00616.72
7.2.80.0090.01116.78
7.2.70.0090.01216.72
7.2.60.0120.00616.73
7.2.50.0050.01216.77
7.2.40.0200.00716.77
7.2.30.0100.01016.66
7.2.20.0070.01016.70
7.2.10.0200.00716.59
7.2.00.0100.00516.65
7.1.330.0070.01415.42
7.1.320.0120.00615.49
7.1.310.0150.00815.55
7.1.300.0080.01215.50
7.1.290.0120.00815.54
7.1.280.0120.00715.58
7.1.270.0150.00715.53
7.1.260.0190.00515.51
7.1.250.0060.01615.63
7.1.240.0100.01215.46
7.1.230.0140.00715.61
7.1.220.0140.00915.57
7.1.210.0110.01115.49
7.1.200.0090.01015.54
7.1.190.0200.02115.55
7.1.180.0120.00915.43
7.1.170.0120.00915.65
7.1.160.0190.00015.53
7.1.150.0030.01515.53
7.1.140.0070.01315.63
7.1.130.0080.01315.57
7.1.120.0090.00915.57
7.1.110.0130.01015.48
7.1.100.0000.02115.51
7.1.90.0140.00615.59
7.1.80.0150.00615.67
7.1.70.0120.00615.59
7.1.60.0090.00915.46
7.1.50.0160.00715.46
7.1.40.0110.00715.58
7.1.30.0090.00915.49
7.1.20.0130.01015.62
7.1.10.0150.00715.30
7.1.00.0060.00915.39

preferences:
34.9 ms | 403 KiB | 5 Q