3v4l.org

run code in 300+ PHP versions simultaneously
<?php $recursive_array = array(); $recursive_array[] = &$recursive_array; $recursive_array2 = array(); $recursive_array2[] = &$recursive_array2; if ($recursive_array === $recursive_array2) { //Fatal error: Nesting level too deep - recursive dependency? echo 'true'; } echo '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)
8.3.60.0120.00918.43
8.3.50.0070.01321.97
8.3.40.0090.00618.91
8.3.30.0130.00019.17
8.3.20.0060.00320.20
8.3.10.0000.00823.52
8.3.00.0080.00019.38
8.2.180.0160.00316.50
8.2.170.0040.01122.96
8.2.160.0140.00720.35
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0140.00026.16
8.2.120.0040.00422.29
8.2.110.0140.00720.35
8.2.100.0030.00718.16
8.2.90.0000.00719.22
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0050.00318.16
8.2.50.0060.00318.07
8.2.40.0040.00419.78
8.2.30.0040.00417.95
8.2.20.0040.00417.59
8.2.10.0080.00017.90
8.2.00.0050.00217.60
8.1.280.0070.01325.92
8.1.270.0030.00622.14
8.1.260.0100.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00623.82
8.1.230.0040.00719.06
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0000.00818.47
8.1.160.0040.00421.94
8.1.150.0000.00718.70
8.1.140.0020.00517.33
8.1.130.0030.00317.74
8.1.120.0030.00317.33
8.1.110.0080.00017.29
8.1.100.0000.00717.38
8.1.90.0000.00817.39
8.1.80.0000.00817.29
8.1.70.0030.00317.35
8.1.60.0040.00417.53
8.1.50.0040.00417.52
8.1.40.0080.00017.46
8.1.30.0060.00317.41
8.1.20.0040.00417.64
8.1.10.0070.00017.47
8.1.00.0020.00517.41
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.30
8.0.270.0070.00016.77
8.0.260.0000.00617.19
8.0.250.0030.00316.87
8.0.240.0000.00716.89
8.0.230.0050.00216.96
8.0.220.0060.00316.93
8.0.210.0030.00316.89
8.0.200.0000.00716.96
8.0.190.0000.00816.88
8.0.180.0000.00716.80
8.0.170.0000.00916.96
8.0.160.0050.00316.94
8.0.150.0000.00716.89
8.0.140.0080.00316.77
8.0.130.0000.00613.19
8.0.120.0040.00416.82
8.0.110.0040.00416.79
8.0.100.0040.00416.93
8.0.90.0050.00216.77
8.0.80.0030.01716.88
8.0.70.0020.00517.00
8.0.60.0030.00516.77
8.0.50.0050.00216.83
8.0.30.0070.01316.94
8.0.20.0120.01017.40
8.0.10.0000.00716.99
8.0.00.0040.01516.68
7.4.330.0000.00615.00
7.4.320.0030.00316.43
7.4.300.0000.00616.52
7.4.290.0030.00316.62
7.4.280.0030.00616.63
7.4.270.0030.00316.61
7.4.260.0030.00316.41
7.4.250.0080.00016.42
7.4.240.0020.00616.55
7.4.230.0030.00616.34
7.4.220.0060.01316.70
7.4.210.0030.01016.49
7.4.200.0040.00416.69
7.4.160.0080.00816.60
7.4.150.0120.00917.40
7.4.140.0080.00917.86
7.4.130.0090.00916.46
7.4.120.0090.00816.45
7.4.110.0070.01016.39
7.4.100.0130.00716.48
7.4.90.0080.01116.50
7.4.80.0060.01119.39
7.4.70.0030.01316.47
7.4.60.0100.00616.43
7.4.50.0030.00616.43
7.4.40.0060.00916.61
7.4.30.0140.00716.54
7.4.00.0100.00514.99
7.3.330.0050.00013.19
7.3.320.0020.00213.18
7.3.310.0000.00716.13
7.3.300.0030.00316.30
7.3.290.0110.00616.22
7.3.280.0090.00916.26
7.3.270.0080.01017.40
7.3.260.0140.00416.28
7.3.250.0080.00916.28
7.3.240.0130.00916.60
7.3.230.0100.01316.39
7.3.210.0100.00716.28
7.3.200.0060.01219.39
7.3.190.0060.01716.22
7.3.180.0120.00316.63
7.3.170.0030.01316.52
7.3.160.0080.01216.21
7.3.120.0100.01014.89
7.3.110.0100.00715.07
7.3.100.0090.00014.75
7.3.90.0040.01414.90
7.3.80.0030.01414.52
7.3.70.0090.00014.88
7.3.60.0060.00614.91
7.3.50.0130.00314.88
7.3.40.0000.01014.63
7.3.30.0000.01514.84
7.3.20.0040.01216.70
7.3.10.0060.00716.61
7.3.00.0070.01016.59
7.2.330.0070.01016.70
7.2.320.0100.00716.57
7.2.310.0190.00016.64
7.2.300.0030.01216.65
7.2.290.0100.01316.46
7.2.250.0090.00915.12
7.2.240.0070.01315.16
7.2.230.0030.01314.67
7.2.220.0040.01114.72
7.2.210.0100.00715.02
7.2.200.0030.00714.80
7.2.190.0060.00914.82
7.2.180.0110.00614.93
7.2.170.0030.01314.83
7.2.130.0000.01716.67
7.2.120.0070.00716.84
7.2.110.0100.00716.83
7.2.100.0100.00716.75
7.2.90.0120.00616.87
7.2.80.0080.00816.71
7.2.70.0140.00316.57
7.2.60.0040.00916.87
7.2.50.0130.00316.76
7.2.40.0100.00716.86
7.2.30.0070.01016.91
7.2.20.0090.00916.54
7.2.10.0120.00316.86
7.2.00.0050.01118.08
7.1.330.0030.01315.38
7.1.320.0100.00015.52
7.1.310.0000.01015.61
7.1.300.0030.01015.65
7.1.290.0070.00415.74
7.1.280.0100.00315.78
7.1.270.0030.00515.71
7.1.260.0030.01015.81
7.1.250.0110.00415.72
7.1.240.0100.01015.35
7.1.230.0060.00615.72
7.1.220.0070.00715.37
7.1.210.0090.00615.60
7.1.200.0180.00915.44
7.1.190.0090.00615.63
7.1.180.0150.00015.64
7.1.170.0070.00715.36
7.1.160.0040.01115.48
7.1.150.0030.01415.64
7.1.140.0140.00315.50
7.1.130.0100.00315.65
7.1.120.0100.00715.24
7.1.110.0130.00315.78
7.1.100.0090.00516.85
7.1.90.0120.00315.68
7.1.80.0080.00815.39
7.1.70.0040.00616.27
7.1.60.0030.01817.41
7.1.50.0110.00416.22
7.1.40.0140.01415.55
7.1.30.0120.00615.73
7.1.20.0080.00815.30
7.1.10.0120.00615.70
7.1.00.0120.03518.90
7.0.330.0090.00314.96
7.0.320.0130.00815.43
7.0.310.0130.00715.17
7.0.300.0140.01415.27
7.0.290.0160.00715.44
7.0.280.0150.01015.36
7.0.270.0150.00615.29
7.0.260.0190.00315.36
7.0.250.0150.01015.40
7.0.240.0140.00715.38
7.0.230.0200.00415.16
7.0.220.0240.00515.35
7.0.210.0160.01215.21
7.0.200.0140.00615.91
7.0.190.0170.01215.45
7.0.180.0240.00615.38
7.0.170.0170.00815.36
7.0.160.0140.01415.48
7.0.150.0130.01015.25
7.0.140.0130.03818.73
7.0.130.0230.00314.93
7.0.120.0250.00215.40
7.0.110.0220.00315.34
7.0.100.0300.04617.81
7.0.90.0230.03817.74
7.0.80.0150.04217.47
7.0.70.0190.03817.48
7.0.60.0110.03817.63
7.0.50.0130.04317.80
7.0.40.0090.03716.83
7.0.30.0140.04516.82
7.0.20.0110.04416.65
7.0.10.0100.03216.68
7.0.00.0080.05016.59
5.6.380.0070.00314.54
5.6.370.0030.00914.12
5.6.360.0030.01014.38
5.6.350.0040.00414.61
5.6.340.0060.00614.63
5.6.330.0000.01514.42
5.6.320.0060.00614.05
5.6.310.0070.00314.12
5.6.300.0120.00314.32
5.6.290.0100.00314.29
5.6.280.0060.03917.87
5.6.270.0070.00714.03
5.6.260.0000.00914.24
5.6.250.0020.03317.41
5.6.240.0150.03717.37
5.6.230.0090.04317.36
5.6.220.0070.04217.30
5.6.210.0050.04017.40
5.6.200.0020.05217.59
5.6.190.0080.04217.68
5.6.180.0110.02517.57
5.6.170.0050.04717.61
5.6.160.0100.04217.52
5.6.150.0030.04817.55
5.6.140.0130.03017.47
5.6.130.0030.04617.55
5.6.120.0050.04517.49
5.6.110.0030.05017.45
5.6.100.0090.04217.53
5.6.90.0050.04417.63
5.6.80.0070.03717.15
5.6.70.0100.04017.34
5.6.60.0060.04317.27
5.6.50.0050.04417.29
5.6.40.0130.03017.23
5.6.30.0050.03217.47
5.6.20.0100.04017.33
5.6.10.0130.03817.16
5.6.00.0020.03017.18
5.5.380.0040.03915.74
5.5.370.0070.03015.65
5.5.360.0060.04115.68
5.5.350.0030.04715.55
5.5.340.0100.02215.75
5.5.330.0050.04215.97
5.5.320.0070.04316.01
5.5.310.0100.03815.69
5.5.300.0020.03615.88
5.5.290.0060.04515.88
5.5.280.0100.04215.97
5.5.270.0010.04615.77
5.5.260.0080.04416.03
5.5.250.0050.02715.71
5.5.240.0050.04215.54
5.5.230.0060.04115.53
5.5.220.0080.04015.60
5.5.210.0050.04515.48
5.5.200.0080.03815.47
5.5.190.0060.04015.59
5.5.180.0140.03015.51
5.5.170.0030.00610.85
5.5.160.0070.04015.29
5.5.150.0050.04215.70
5.5.140.0100.02915.50
5.5.130.0040.03215.54
5.5.120.0130.02215.60
5.5.110.0080.02215.63
5.5.100.0030.02415.37
5.5.90.0050.02515.39
5.5.80.0150.01515.35
5.5.70.0020.02615.44
5.5.60.0060.02115.38
5.5.50.0030.02315.50
5.5.40.0080.01815.47
5.5.30.0030.02415.44
5.5.20.0030.02215.52
5.5.10.0080.02315.48
5.5.00.0080.02015.45
5.4.450.0050.04514.97
5.4.440.0050.04015.15
5.4.430.0020.04515.21
5.4.420.0030.04215.12
5.4.410.0050.02515.04
5.4.400.0050.03814.88
5.4.390.0080.04214.94
5.4.380.0050.04214.98
5.4.370.0100.02415.03
5.4.360.0100.02314.95
5.4.350.0070.02214.87
5.4.340.0010.03214.87
5.4.330.0090.00010.84
5.4.320.0060.03314.93
5.4.310.0020.03914.84
5.4.300.0070.03014.92
5.4.290.0050.01814.86
5.4.280.0060.02514.80
5.4.270.0050.03114.76
5.4.260.0070.02214.83
5.4.250.0030.02314.86
5.4.240.0020.02414.76
5.4.230.0070.02214.65
5.4.220.0060.02314.73
5.4.210.0070.01814.76
5.4.200.0050.02014.70
5.4.190.0040.02114.79
5.4.180.0060.02314.79
5.4.170.0060.02414.93
5.4.160.0050.02114.70
5.4.150.0070.02215.01
5.4.140.0080.01713.56
5.4.130.0020.03513.55
5.4.120.0100.03313.60
5.4.110.0030.02413.57
5.4.100.0000.02713.56
5.4.90.0040.02113.53
5.4.80.0070.01913.56
5.4.70.0030.02113.58
5.4.60.0010.02313.58
5.4.50.0050.01913.49
5.4.40.0020.02713.50
5.4.30.0030.01913.49
5.4.20.0090.01613.56
5.4.10.0020.02213.58
5.4.00.0020.02013.36
5.3.290.0020.02412.58
5.3.280.0040.02212.43
5.3.270.0030.02312.41
5.3.260.0080.02012.44
5.3.250.0060.02812.47
5.3.240.0050.02312.47
5.3.230.0070.02912.36
5.3.220.0060.02112.27
5.3.210.0060.02112.33
5.3.200.0070.02812.42
5.3.190.0030.01812.45
5.3.180.0060.01512.39
5.3.170.0020.02512.48
5.3.160.0030.02212.52
5.3.150.0050.01912.41
5.3.140.0000.02812.51
5.3.130.0040.02012.40
5.3.120.0060.01712.49
5.3.110.0050.02212.50
5.3.100.0020.02112.19
5.3.90.0050.01712.17
5.3.80.0070.01912.07
5.3.70.0030.02112.18
5.3.60.0080.01512.04
5.3.50.0040.01712.10
5.3.40.0030.02312.07
5.3.30.0030.02112.04
5.3.20.0030.01811.79
5.3.10.0050.01711.94
5.3.00.0030.02511.90
5.2.170.0020.02010.23
5.2.160.0060.01310.25
5.2.150.0040.01510.25
5.2.140.0020.01810.31
5.2.130.0050.01710.21
5.2.120.0060.01510.08
5.2.110.0020.01710.29
5.2.100.0050.01310.20
5.2.90.0040.01310.26
5.2.80.0030.01610.11
5.2.70.0030.01510.24
5.2.60.0020.01810.23
5.2.50.0030.01810.17
5.2.40.0050.03010.04
5.2.30.0070.01210.28
5.2.20.0040.01310.09
5.2.10.0040.0179.95
5.2.00.0030.0179.95
5.1.60.0000.0189.53
5.1.50.0070.0129.54
5.1.40.0000.0149.54
5.1.30.0050.0139.68
5.1.20.0020.0199.72
5.1.10.0000.0179.54
5.1.00.0030.0159.46
5.0.50.0020.0128.82
5.0.40.0010.0148.73
5.0.30.0020.0328.61
5.0.20.0020.0258.61
5.0.10.0030.0188.61
5.0.00.0020.0368.61
4.4.90.0010.0108.61
4.4.80.0000.0088.61
4.4.70.0000.0128.61
4.4.60.0000.0108.61
4.4.50.0020.0098.61
4.4.40.0000.0148.61
4.4.30.0000.0118.61
4.4.20.0020.0118.61
4.4.10.0020.0108.61
4.4.00.0020.0218.61
4.3.110.0010.0208.61
4.3.100.0030.0188.61
4.3.90.0050.0168.61
4.3.80.0030.0288.61
4.3.70.0030.0188.61
4.3.60.0020.0208.61
4.3.50.0010.0138.61
4.3.40.0020.0288.61
4.3.30.0020.0198.61
4.3.20.0040.0138.61
4.3.10.0000.0218.61
4.3.00.0030.0178.61

preferences:
76.13 ms | 401 KiB | 5 Q