3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a[0] = "1"; $b = array(); $b = $a; $b['foo'] = 42; var_dump($b);

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)
8.3.40.0170.01018.75
8.3.30.0070.01118.71
8.3.20.0000.00918.52
8.3.10.0060.00320.51
8.3.00.0100.00019.38
8.2.170.0160.00022.96
8.2.160.0070.01022.13
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0000.00819.83
8.2.110.0090.00320.93
8.2.100.0090.00317.65
8.2.90.0030.00717.75
8.2.80.0000.00817.97
8.2.70.0050.00317.77
8.2.60.0040.00418.03
8.2.50.0000.00818.10
8.2.40.0060.00320.59
8.2.30.0070.00318.03
8.2.20.0000.00817.64
8.2.10.0040.00417.69
8.2.00.0070.00017.60
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00722.61
8.1.230.0030.00722.70
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00717.35
8.1.190.0030.00617.12
8.1.180.0040.00418.10
8.1.170.0030.00518.59
8.1.160.0000.00818.80
8.1.150.0040.00418.61
8.1.140.0000.00717.47
8.1.130.0030.00517.83
8.1.120.0050.00217.43
8.1.110.0050.00317.42
8.1.100.0030.00517.43
8.1.90.0070.00017.33
8.1.80.0070.00017.43
8.1.70.0070.00017.27
8.1.60.0080.00017.49
8.1.50.0000.00817.30
8.1.40.0040.00417.43
8.1.30.0070.00017.59
8.1.20.0000.00817.54
8.1.10.0050.00317.40
8.1.00.0040.00417.32
8.0.300.0030.00619.91
8.0.290.0030.00616.75
8.0.280.0040.00418.28
8.0.270.0000.00717.05
8.0.260.0030.00316.68
8.0.250.0070.00016.89
8.0.240.0080.00016.85
8.0.230.0030.00316.77
8.0.220.0040.00416.84
8.0.210.0050.00316.80
8.0.200.0100.00016.88
8.0.190.0070.00016.76
8.0.180.0040.00416.73
8.0.170.0000.00716.73
8.0.160.0050.00316.75
8.0.150.0060.00316.80
8.0.140.0030.00616.77
8.0.130.0030.00313.25
8.0.120.0000.00716.77
8.0.110.0000.00716.88
8.0.100.0040.00416.64
8.0.90.0070.00016.88
8.0.80.0060.00916.77
8.0.70.0000.00716.83
8.0.60.0070.00016.84
8.0.50.0030.00516.79
8.0.30.0130.00617.20
8.0.20.0120.01017.40
8.0.10.0040.00417.00
8.0.00.0110.01016.70
7.4.330.0050.00014.83
7.4.320.0000.00616.36
7.4.300.0030.00316.56
7.4.290.0070.00016.51
7.4.280.0040.00416.32
7.4.270.0000.00716.36
7.4.260.0000.00513.19
7.4.250.0040.00416.45
7.4.240.0000.00716.43
7.4.230.0070.00016.50
7.4.220.0110.00816.40
7.4.210.0090.00516.49
7.4.200.0060.00316.27
7.4.190.0060.00016.61
7.4.160.0030.01316.48
7.4.150.0070.01017.40
7.4.140.0080.00817.09
7.4.130.0090.00916.43
7.4.120.0110.00616.34
7.4.110.0090.00916.59
7.4.100.0150.00616.48
7.4.90.0090.00916.44
7.4.80.0100.01019.03
7.4.70.0030.01516.38
7.4.60.0000.01716.28
7.4.50.0000.00816.08
7.4.40.0070.00422.27
7.4.30.0060.00916.36
7.4.00.0080.00714.62
7.3.330.0020.00212.94
7.3.320.0030.00313.01
7.3.310.0030.00316.07
7.3.300.0000.00716.30
7.3.290.0070.00716.23
7.3.280.0070.00916.18
7.3.270.0070.01017.40
7.3.260.0090.00818.24
7.3.250.0200.00316.18
7.3.240.0130.00316.59
7.3.230.0120.00316.50
7.3.210.0100.00616.36
7.3.200.0140.00419.39
7.3.190.0030.01416.46
7.3.180.0060.01216.28
7.3.170.0090.00916.27
7.3.160.0120.00416.25
7.3.120.0080.01014.88
7.3.110.0040.01414.80
7.3.100.0030.01314.87
7.3.90.0060.00314.52
7.3.80.0130.00015.10
7.3.70.0060.00614.48
7.3.60.0030.00614.68
7.3.50.0040.01014.39
7.3.40.0060.01314.54
7.3.30.0140.00314.35
7.3.20.0040.01116.32
7.3.10.0120.00316.68
7.3.00.0030.00716.49
7.2.330.0090.00916.44
7.2.320.0100.01116.52
7.2.310.0120.00616.21
7.2.300.0090.00916.55
7.2.290.0070.01116.54
7.2.250.0060.01314.71
7.2.240.0100.01015.02
7.2.230.0110.00714.85
7.2.220.0070.00314.89
7.2.210.0030.01014.95
7.2.200.0000.01014.80
7.2.190.0100.00614.92
7.2.180.0070.01014.94
7.2.170.0100.01014.69
7.2.00.0070.01119.34
7.1.330.0100.00315.49
7.1.320.0070.00715.94
7.1.310.0060.00915.41
7.1.300.0090.00915.53
7.1.290.0070.01015.71
7.1.280.0070.01015.64
7.1.270.0030.01015.52
7.1.260.0030.01015.45
7.1.200.0030.00915.54
7.1.100.0030.00718.13
7.1.70.0120.00817.14
7.1.60.0070.01819.40
7.1.50.0070.01316.93
7.1.00.0000.07722.40
7.0.200.0270.00316.32
7.0.140.0030.07322.00
7.0.60.0070.06019.89
7.0.50.0130.04317.80
7.0.40.0070.05717.76
7.0.30.0130.07317.74
7.0.20.0070.08017.74
7.0.10.0130.07717.72
7.0.00.0000.04317.79
5.6.280.0100.06720.80
5.6.210.0130.07720.47
5.6.200.0030.04718.15
5.6.190.0100.03718.14
5.6.180.0100.04318.15
5.6.170.0030.05718.18
5.6.160.0000.04318.14
5.6.150.0030.04718.14
5.6.140.0000.05018.13
5.6.130.0100.03718.11
5.6.120.0030.04718.08
5.6.110.0100.04018.18
5.6.100.0070.06018.21
5.6.90.0000.04718.14
5.6.80.0030.07717.50
5.6.70.0030.04317.56
5.6.60.0070.07717.50
5.6.50.0070.06017.59
5.6.40.0030.04317.57
5.6.30.0100.04017.47
5.6.20.0070.06017.45
5.6.10.0030.05017.44
5.6.00.0100.07017.43
5.5.350.0200.08020.48
5.5.340.0070.07717.88
5.5.330.0130.07317.86
5.5.320.0130.06717.92
5.5.310.0030.05718.02
5.5.300.0070.04017.95
5.5.290.0070.06317.98
5.5.280.0070.05017.92
5.5.270.0100.08017.97
5.5.260.0030.05017.91
5.5.250.0070.04717.77
5.5.240.0070.04717.37
5.5.230.0030.04017.36
5.5.220.0100.06317.35
5.5.210.0070.05017.25
5.5.200.0000.04317.33
5.5.190.0070.07017.27
5.5.180.0070.06317.37
5.5.160.0100.04017.37
5.5.150.0000.07017.26
5.5.140.0130.05717.34
5.5.130.0000.05017.26
5.5.120.0070.04317.32
5.5.110.0030.05317.31
5.5.100.0030.08317.17
5.5.90.0070.07317.26
5.5.80.0070.07717.22
5.5.70.0070.07317.26
5.5.60.0100.03317.26
5.5.50.0030.06717.23
5.5.40.0130.05717.25
5.5.30.0100.04017.21
5.5.20.0100.05717.25
5.5.10.0030.07317.23
5.5.00.0200.06017.15
5.4.450.0030.08719.31
5.4.440.0030.04719.32
5.4.430.0100.08019.27
5.4.420.0100.07319.39
5.4.410.0000.04319.18
5.4.400.0100.07318.99
5.4.390.0130.04318.99
5.4.380.0100.05319.13
5.4.370.0030.04018.82
5.4.360.0030.05018.89
5.4.350.0070.07318.89
5.4.340.0100.07319.04
5.4.320.0000.05019.09
5.4.310.0070.04719.12
5.4.300.0170.06718.98
5.4.290.0070.03319.03
5.4.280.0300.05718.89
5.4.270.0030.04719.00
5.4.260.0030.07719.03
5.4.250.0100.04019.02
5.4.240.0100.05718.88
5.4.230.0170.06318.97
5.4.220.0200.06318.98
5.4.210.0100.07319.07
5.4.200.0130.06318.98
5.4.190.0030.07018.98
5.4.180.0030.04019.07
5.4.170.0030.05018.97
5.4.160.0070.04718.99
5.4.150.0070.06018.96
5.4.140.0070.05016.18
5.4.130.0030.07316.27
5.4.120.0030.06316.29
5.4.110.0000.05316.28
5.4.100.0130.07316.27
5.4.90.0030.06316.25
5.4.80.0070.06016.35
5.4.70.0230.05316.51
5.4.60.0100.07016.32
5.4.50.0100.06316.41
5.4.40.0030.05016.36
5.4.30.0030.04016.35
5.4.20.0130.07016.34
5.4.10.0070.06316.27
5.4.00.0030.05015.61
5.3.290.0100.07314.75
5.3.280.0100.07314.57
5.3.270.0100.05714.53
5.3.260.0030.08014.57
5.3.250.0100.06014.54
5.3.240.0000.08314.43
5.3.230.0070.05314.46
5.3.220.0000.07714.53
5.3.210.0070.03714.55
5.3.200.0030.07714.50
5.3.190.0070.06714.50
5.3.180.0000.04314.64
5.3.170.0070.05314.39
5.3.160.0030.03714.40
5.3.150.0000.08014.50
5.3.140.0070.07314.39
5.3.130.0130.05714.51
5.3.120.0030.05314.47
5.3.110.0030.08314.38
5.3.100.0170.06314.00
5.3.90.0030.07013.93
5.3.80.0030.07713.96
5.3.70.0070.07713.97
5.3.60.0070.05713.96
5.3.50.0030.07013.88
5.3.40.0070.04313.88
5.3.30.0070.07013.84
5.3.20.0030.04713.66
5.3.10.0030.06313.59
5.3.00.0030.05313.60
5.2.170.0070.03011.17
5.2.160.0000.06011.11
5.2.150.0030.05011.08
5.2.140.0000.05011.29
5.2.130.0030.05311.08
5.2.120.0100.05711.08
5.2.110.0030.06011.05
5.2.100.0000.03011.02
5.2.90.0030.06310.87
5.2.80.0030.06311.08
5.2.70.0030.06311.08
5.2.60.0070.05011.02
5.2.50.0070.06311.01
5.2.40.0100.03310.97
5.2.30.0030.03710.79
5.2.20.0030.02710.94
5.2.10.0070.05010.80
5.2.00.0070.06310.63
5.1.60.0000.0379.92
5.1.50.0100.05310.13
5.1.40.0030.0439.80
5.1.30.0100.04310.16
5.1.20.0030.03310.29
5.1.10.0030.05310.00
5.1.00.0030.05310.04
5.0.50.0000.0478.66
5.0.40.0030.0278.66
5.0.30.0070.0638.66
5.0.20.0000.0508.66
5.0.10.0070.0338.66
5.0.00.0100.0538.66
4.4.90.0030.0338.66
4.4.80.0000.0338.66
4.4.70.0030.0138.66
4.4.60.0000.0208.66
4.4.50.0030.0208.66
4.4.40.0030.0438.66
4.4.30.0000.0378.66
4.4.20.0000.0338.66
4.4.10.0000.0308.66
4.4.00.0070.0538.66
4.3.110.0000.0308.66
4.3.100.0030.0208.66
4.3.90.0030.0338.66
4.3.80.0030.0538.66
4.3.70.0030.0208.66
4.3.60.0000.0208.66
4.3.50.0030.0278.66
4.3.40.0100.0408.66
4.3.30.0000.0238.66
4.3.20.0070.0108.66
4.3.10.0000.0178.66
4.3.00.0000.0178.66

preferences:
37.13 ms | 400 KiB | 5 Q