3v4l.org

run code in 300+ PHP versions simultaneously
<?php $recursive = array(); $recursive[] = &$recursive; $test = var_export($recursive, true);

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)
8.1.130.0000.00717.83
8.1.120.0050.00217.43
8.1.110.0080.00017.41
8.1.100.0000.00717.26
8.1.90.0000.00817.36
8.1.80.0070.00017.38
8.1.70.0030.00317.37
8.1.60.0000.00717.50
8.1.50.0080.00017.45
8.1.40.0030.00517.32
8.1.30.0040.00417.46
8.1.20.0030.00517.61
8.1.10.0040.00417.45
8.1.00.0040.00417.27
8.0.260.0030.00317.19
8.0.250.0000.00716.84
8.0.240.0070.00016.82
8.0.230.0070.00016.95
8.0.220.0000.00716.78
8.0.210.0030.00316.77
8.0.200.0030.00316.97
8.0.190.0040.00416.93
8.0.180.0040.00416.81
8.0.170.0050.00316.88
8.0.160.0030.00316.84
8.0.150.0000.00716.81
8.0.140.0040.00416.87
8.0.130.0000.00513.38
8.0.120.0000.00716.78
8.0.110.0040.00416.77
8.0.100.0040.00416.93
8.0.90.0030.00316.78
8.0.80.0100.00316.94
8.0.70.0040.00416.82
8.0.60.0020.00516.71
8.0.50.0040.00416.67
8.0.30.0140.00516.91
8.0.20.0110.00817.40
8.0.10.0040.00417.00
8.0.00.0080.01116.82
7.4.330.0060.00015.13
7.4.320.0030.00316.44
7.4.300.0030.00316.46
7.4.290.0060.00016.45
7.4.280.0040.00416.54
7.4.270.0020.00516.56
7.4.260.0060.00316.55
7.4.250.0030.00516.54
7.4.240.0020.00516.50
7.4.230.0040.00416.41
7.4.220.0100.01316.45
7.4.210.0090.00616.53
7.4.200.0070.00016.19
7.4.160.0100.00516.39
7.4.150.0040.01217.40
7.4.140.0070.01517.86
7.4.130.0150.00316.50
7.4.120.0110.00716.33
7.4.110.0070.01116.46
7.4.100.0140.00816.38
7.4.90.0100.01016.40
7.4.80.0000.01719.39
7.4.70.0080.00816.37
7.4.60.0060.00916.60
7.4.50.0050.00316.29
7.4.40.0130.00616.69
7.4.30.0150.00616.58
7.4.00.0120.00314.86
7.3.330.0030.00313.14
7.3.320.0000.00613.20
7.3.310.0000.00816.33
7.3.300.0000.00716.27
7.3.290.0070.00816.25
7.3.280.0130.00516.23
7.3.270.0080.00817.40
7.3.260.0130.00416.31
7.3.240.0030.01316.48
7.3.230.0030.01316.39
7.3.210.0090.00616.38
7.3.200.0170.00319.39
7.3.190.0060.01116.21
7.3.180.0090.00616.32
7.3.170.0110.00516.29
7.3.160.0000.01516.43
7.2.330.0070.01616.29
7.2.320.0150.00716.21
7.2.310.0070.01016.67
7.2.300.0090.00616.54
7.2.290.0040.01416.71
7.2.120.0030.01116.49
7.2.110.0060.00616.69
7.2.100.0000.01516.50
7.2.90.0000.01716.61
7.2.80.0040.00716.70
7.2.70.0080.00416.72
7.2.60.0080.00716.95
7.2.50.0060.00616.89
7.2.40.0090.00616.73
7.2.30.0040.01116.84
7.2.20.0040.00916.65
7.2.10.0030.01016.77
7.2.00.0120.00016.71
7.1.240.0030.01015.47
7.1.230.0060.00615.82
7.1.220.0080.00015.68
7.1.210.0070.00715.87
7.1.200.0030.00915.46
7.1.190.0100.00315.39
7.1.180.0080.00415.85
7.1.170.0070.00715.86
7.1.160.0050.00515.91
7.1.150.0030.00615.91
7.1.140.0040.00915.52
7.1.130.0060.00615.86
7.1.120.0090.00615.79
7.1.110.0060.00315.96
7.1.100.0000.00815.95
7.1.90.0120.00315.92
7.1.80.0030.00615.79
7.1.70.0080.00716.28
7.1.60.0120.00317.55
7.1.50.0050.01416.33
7.1.40.0030.01315.69
7.1.30.0080.00615.79
7.1.20.0040.01115.79
7.1.10.0090.00615.55
7.1.00.0080.03819.07
7.0.320.0030.01015.30
7.0.310.0070.00415.11
7.0.300.0000.01515.27
7.0.290.0090.00315.45
7.0.280.0060.00615.19
7.0.270.0070.00715.33
7.0.260.0110.00415.44
7.0.250.0110.00315.45
7.0.240.0090.00315.17
7.0.230.0000.00815.27
7.0.220.0040.01115.08
7.0.210.0060.00615.35
7.0.200.0070.00415.86
7.0.190.0030.01015.11
7.0.180.0030.01215.22
7.0.170.0000.01115.18
7.0.160.0100.00315.04
7.0.150.0000.00815.39
7.0.140.0090.02618.62
7.0.130.0120.00315.03
7.0.120.0040.00715.33
7.0.110.0100.04617.65
7.0.100.0080.04517.81
7.0.90.0100.04517.68
7.0.80.0050.04817.67
7.0.70.0140.03917.68
7.0.60.0110.03717.64
7.0.50.0100.02617.70
7.0.40.0050.04516.66
7.0.30.0100.04316.69
7.0.20.0070.04216.53
7.0.10.0060.04216.56
7.0.00.0050.04216.58
5.6.380.0040.01114.29
5.6.370.0030.01014.20
5.6.360.0060.00913.93
5.6.350.0040.01114.33
5.6.340.0070.00714.57
5.6.330.0090.00614.33
5.6.320.0030.01014.64
5.6.310.0090.00314.61
5.6.300.0090.00314.34
5.6.290.0040.00814.39
5.6.280.0050.04117.78
5.6.270.0050.00514.36
5.6.260.0070.04517.51
5.6.250.0080.04017.45
5.6.240.0050.05017.44
5.6.230.0090.04017.62
5.6.220.0080.03317.36
5.6.210.0110.04117.34
5.6.200.0070.04517.34
5.6.190.0020.04917.40
5.6.180.0050.04017.51
5.6.170.0080.03017.47
5.6.160.0020.04517.32
5.6.150.0100.02317.42
5.6.140.0070.04317.52
5.6.130.0080.04617.48
5.6.120.0060.02517.38
5.6.110.0140.03517.36
5.6.100.0100.04317.35
5.6.90.0080.02217.45
5.6.80.0030.02317.04
5.6.70.0030.02317.18
5.6.60.0070.02716.98
5.6.50.0020.03217.09
5.6.40.0050.02317.30
5.6.30.0020.02417.21
5.6.20.0050.02217.09
5.6.10.0030.04517.25
5.6.00.0000.03317.15
5.5.380.0060.04215.85
5.5.370.0090.04415.76
5.5.360.0080.03315.67
5.5.350.0070.03915.67
5.5.340.0050.04315.79
5.5.330.0100.01715.93
5.5.320.0120.03915.98
5.5.310.0050.03315.97
5.5.300.0110.02515.93
5.5.290.0040.04015.94
5.5.280.0020.05016.06
5.5.270.0080.04315.96
5.5.260.0080.03816.02
5.5.250.0050.02815.85
5.5.240.0080.02015.56
5.5.230.0050.03215.73
5.5.220.0030.02315.50
5.5.210.0010.02615.65
5.5.200.0060.02015.63
5.5.190.0080.03815.64
5.5.180.0030.02515.52
5.5.170.0140.00014.25
5.5.160.0020.02415.58
5.5.150.0050.02015.52
5.5.140.0020.02715.62
5.5.130.0100.01615.52
5.5.120.0070.04215.78
5.5.110.0070.03715.51
5.5.100.0120.02715.45
5.5.90.0080.03515.54
5.5.80.0080.02215.61
5.5.70.0030.02315.69
5.5.60.0030.03115.46
5.5.50.0060.02115.50
5.5.40.0050.03015.49
5.5.30.0040.02215.55
5.5.20.0080.02115.63
5.5.10.0050.02215.54
5.5.00.0030.02515.37
5.4.450.0090.02415.30
5.4.440.0130.03515.21
5.4.430.0030.04215.00
5.4.420.0060.04015.17
5.4.410.0050.02815.22
5.4.400.0050.02214.97
5.4.390.0050.02015.06
5.4.380.0000.02615.01
5.4.370.0060.01815.12
5.4.360.0030.02215.00
5.4.350.0070.01915.11
5.4.340.0060.02215.00
5.4.330.0000.01011.17
5.4.320.0040.02414.99
5.4.310.0080.02515.08
5.4.300.0030.02215.06
5.4.290.0030.02315.03
5.4.280.0030.03314.90
5.4.270.0050.02014.93
5.4.260.0050.01814.77
5.4.250.0030.02014.79
5.4.240.0070.03215.13
5.4.230.0030.02814.97
5.4.220.0030.02615.05
5.4.210.0040.02214.99
5.4.200.0050.02014.97
5.4.190.0010.02414.89
5.4.180.0060.01815.00
5.4.170.0050.03114.87
5.4.160.0060.02614.93
5.4.150.0080.01715.09
5.4.140.0030.02313.70
5.4.130.0040.01913.58
5.4.120.0020.02313.75
5.4.110.0080.01713.66
5.4.100.0070.02313.75
5.4.90.0040.02113.52
5.4.80.0030.02113.76
5.4.70.0050.03213.58
5.4.60.0050.03813.49
5.4.50.0070.03913.78
5.4.40.0030.03713.53
5.4.30.0080.03613.52
5.4.20.0050.03813.66
5.4.10.0020.03513.70
5.4.00.0090.03513.41
5.3.290.0030.02112.66
5.3.280.0090.01712.46
5.3.270.0040.01812.35
5.3.260.0030.02112.49
5.3.250.0030.02012.47
5.3.240.0050.03012.52
5.3.230.0050.02112.55
5.3.220.0030.02112.42
5.3.210.0030.02612.41
5.3.200.0060.01812.40
5.3.190.0010.03012.47
5.3.180.0050.03212.36
5.3.170.0100.02512.40
5.3.160.0080.03812.46
5.3.150.0100.03712.52
5.3.140.0070.04012.43
5.3.130.0090.04012.57
5.3.120.0030.04012.54
5.3.110.0080.03812.40
5.3.100.0070.03812.24
5.3.90.0050.03312.15
5.3.80.0060.04012.20
5.3.70.0020.04712.18
5.3.60.0080.03612.01
5.3.50.0030.04312.14
5.3.40.0050.04412.11
5.3.30.0070.03312.14
5.3.20.0020.02811.87
5.3.10.0100.03511.85
5.3.00.0040.03711.76
5.2.170.0080.03011.00
5.2.160.0030.02911.01
5.2.150.0040.03410.93
5.2.140.0010.03910.99
5.2.130.0020.03810.97
5.2.120.0040.02710.97
5.2.110.0030.02110.95
5.2.100.0030.03510.82
5.2.90.0060.03010.83
5.2.80.0020.03810.82
5.2.70.0060.02210.88
5.2.60.0050.03510.76
5.2.50.0080.03110.81
5.2.40.0010.03410.93
5.2.30.0070.03210.96
5.2.20.0040.02510.87
5.2.10.0030.03310.83
5.2.00.0020.03310.88
5.1.60.0060.02710.48
5.1.50.0030.02810.39
5.1.40.0050.02010.55
5.1.30.0030.03110.55
5.1.20.0050.03010.61
5.1.10.0050.02810.54
5.1.00.0040.02810.51
5.0.50.0030.02310.37
5.0.40.0080.01810.37
5.0.30.0030.02910.37
5.0.20.0020.02210.37
5.0.10.0030.02310.37
5.0.00.0030.03310.37
4.4.90.0050.01710.37
4.4.80.0030.01710.37
4.4.70.0070.01510.37
4.4.60.0020.02010.37
4.4.50.0030.01810.37
4.4.40.0020.01810.37
4.4.30.0050.01510.37
4.4.20.0010.02110.37
4.4.10.0030.01710.37
4.4.00.0050.02510.37
4.3.110.0030.01810.37
4.3.100.0030.01810.37
4.3.90.0040.01710.37
4.3.80.0040.02510.37
4.3.70.0040.01610.37
4.3.60.0000.01310.37
4.3.50.0010.02110.37
4.3.40.0020.01810.37
4.3.30.0010.02010.37
4.3.20.0000.01210.37
4.3.10.0030.02010.37
4.3.00.0060.01510.37

preferences:
13.15 ms | 406 KiB | 5 Q