3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "*** using correct value ***\n\n"; $Array = unserialize('a:2:{s:1:"a";i:1;s:1:"b";R:1;}'); echo "print_r():\n"; echo "----------\n"; print_r($Array); echo "\n"; $Array['b']['a'] = 2; echo "print_r():\n"; echo "----------\n"; print_r($Array); echo "\n";

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)
8.3.60.0080.00816.63
8.3.50.0150.00517.33
8.3.40.0070.01018.62
8.3.30.0140.00318.81
8.3.20.0040.00418.77
8.3.10.0090.00018.91
8.3.00.0090.00019.36
8.2.180.0180.00416.38
8.2.170.0100.00722.96
8.2.160.0150.00018.84
8.2.150.0060.00324.18
8.2.140.0120.00324.66
8.2.130.0100.00326.16
8.2.120.0040.00420.80
8.2.110.0060.00319.21
8.2.100.0060.00619.57
8.2.90.0040.00417.75
8.2.80.0040.00418.73
8.2.70.0000.00817.63
8.2.60.0030.00618.05
8.2.50.0000.00818.07
8.2.40.0000.00919.89
8.2.30.0030.00617.74
8.2.20.0040.00517.61
8.2.10.0080.00017.63
8.2.00.0040.00817.55
8.1.280.0100.00725.92
8.1.270.0060.00323.99
8.1.260.0100.00326.35
8.1.250.0050.00328.09
8.1.240.0060.00319.28
8.1.230.0040.00717.76
8.1.220.0030.00617.74
8.1.210.0030.00518.77
8.1.200.0090.00017.25
8.1.190.0070.00017.22
8.1.180.0090.00018.10
8.1.170.0000.00818.75
8.1.160.0040.00419.05
8.1.150.0070.00018.61
8.1.140.0040.00417.34
8.1.130.0000.00717.34
8.1.120.0030.00517.32
8.1.110.0000.00717.34
8.1.100.0000.01017.42
8.1.90.0000.00817.38
8.1.80.0000.00717.40
8.1.70.0030.00317.35
8.1.60.0050.00317.40
8.1.50.0040.00417.29
8.1.40.0000.00817.40
8.1.30.0000.00917.64
8.1.20.0040.00417.46
8.1.10.0040.00417.55
8.1.00.0040.00817.37
8.0.300.0000.00720.14
8.0.290.0050.00316.58
8.0.280.0060.00318.61
8.0.270.0000.00717.26
8.0.260.0030.00316.92
8.0.250.0070.00317.02
8.0.240.0040.00416.84
8.0.230.0040.00416.94
8.0.220.0000.00716.94
8.0.210.0000.00716.92
8.0.200.0030.00316.93
8.0.190.0000.00716.99
8.0.180.0090.00016.95
8.0.170.0060.00316.80
8.0.160.0070.00016.72
8.0.150.0000.00716.65
8.0.140.0030.00616.81
8.0.130.0030.00313.27
8.0.120.0000.01016.75
8.0.110.0040.00417.00
8.0.100.0000.00816.88
8.0.90.0040.00416.87
8.0.80.0030.01216.84
8.0.70.0000.00816.80
8.0.60.0050.00316.82
8.0.50.0080.00016.83
8.0.30.0090.00917.00
8.0.20.0120.00616.91
8.0.10.0080.00016.91
8.0.00.0120.00616.81
7.4.330.0020.00212.92
7.4.320.0000.00616.45
7.4.300.0060.00016.30
7.4.290.0030.00316.43
7.4.280.0000.00716.54
7.4.270.0030.00316.52
7.4.260.0050.00013.22
7.4.250.0000.01016.49
7.4.240.0070.00016.54
7.4.230.0100.00016.34
7.4.220.0090.01316.47
7.4.210.0070.01416.45
7.4.200.0070.00016.23
7.4.190.0050.00216.48
7.4.160.0080.00816.40
7.4.150.0100.00716.34
7.4.140.0120.00616.52
7.4.130.0090.00916.62
7.4.120.0040.01316.45
7.4.110.0060.01216.80
7.4.100.0170.00416.29
7.4.90.0090.00916.46
7.4.80.0140.00519.39
7.4.70.0080.00816.66
7.4.60.0140.00316.50
7.4.50.0000.00516.43
7.4.40.0030.01116.35
7.4.30.0070.00916.29
7.4.00.0100.00314.84
7.3.330.0030.00312.97
7.3.320.0030.00313.12
7.3.310.0030.00316.16
7.3.300.0060.00016.20
7.3.290.0090.00616.26
7.3.280.0050.01016.22
7.3.270.0080.00916.64
7.3.260.0140.00316.54
7.3.250.0090.01016.32
7.3.240.0150.00316.54
7.3.230.0110.00516.30
7.3.210.0090.00916.45
7.3.200.0060.01116.11
7.3.190.0000.01616.39
7.3.180.0040.01416.39
7.3.170.0060.00916.38
7.3.160.0110.00516.18
7.3.120.0030.00914.63
7.2.330.0070.01116.54
7.2.320.0000.01716.38
7.2.310.0060.01516.58
7.2.300.0110.00616.86
7.2.290.0130.00316.53
7.2.60.0110.00317.05
7.2.00.0080.00419.52
7.1.200.0090.00315.62
7.1.100.0040.00717.75
7.1.70.0030.00617.04
7.1.60.0140.00719.30
7.1.50.0000.02016.75
7.1.00.0030.04022.32
7.0.200.0000.00916.63
7.0.140.0000.07721.95
7.0.60.0130.06319.91
7.0.50.0070.07717.88
7.0.40.0130.07720.12
7.0.30.0270.03320.02
7.0.20.0300.04020.17
7.0.10.0100.04020.00
7.0.00.0030.08320.30
5.6.280.0100.06320.98
5.6.210.0130.07320.52
5.6.200.0170.04718.19
5.6.190.0070.08720.39
5.6.180.4200.04320.60
5.6.170.0300.07720.54
5.6.160.0100.08320.52
5.6.150.0030.08318.18
5.6.140.0100.07718.20
5.6.130.0030.08318.20
5.6.120.0070.06320.96
5.6.110.0100.08020.95
5.6.100.0200.03720.98
5.6.90.0100.08021.02
5.6.80.0030.04320.50
5.5.350.3170.03020.40
5.5.340.0070.03717.88
5.5.330.0070.04720.37
5.5.320.0330.06320.28
5.5.310.0300.06020.29
5.5.300.0100.07717.91
5.5.290.0070.06017.92
5.5.280.0100.05020.86
5.5.270.0070.06020.88
5.5.260.0070.07720.83
5.5.250.0030.05020.68
5.5.240.0230.07720.11
5.4.450.0100.05019.29
5.4.440.0200.06719.50
5.4.430.0170.07319.47
5.4.420.0070.05319.40
5.4.410.0100.05319.31
5.4.400.0070.06018.92
5.4.390.0130.07018.79
5.4.380.0000.08719.13
5.4.370.0130.05719.09
5.4.360.0170.06319.14
5.4.350.0070.04719.15
5.4.340.0100.07318.91
5.4.320.0100.07319.18
5.4.310.0100.07018.79
5.4.300.0030.04019.18
5.4.290.0100.07319.07
5.4.280.0030.04719.15
5.4.270.0170.07019.17
5.4.260.0000.07019.17
5.4.250.0170.07019.11
5.4.240.0070.06319.07
5.4.230.0100.05018.91
5.4.220.0100.07718.80
5.4.210.0070.04319.08
5.4.200.0100.07018.77
5.4.190.0130.04019.04
5.4.180.0100.03018.87
5.4.170.0030.03719.16
5.4.160.0000.04018.77
5.4.150.0070.03718.79
5.4.140.0070.03316.25
5.4.130.0070.03016.32
5.4.120.0000.03716.11
5.4.110.0030.03716.23
5.4.100.0030.03316.41
5.4.90.0070.03016.39
5.4.80.0000.03716.41
5.4.70.0070.03016.26
5.4.60.0030.03716.25
5.4.50.0030.03316.31
5.4.40.0000.03716.38
5.4.30.0070.03016.57
5.4.20.0030.03316.21
5.4.10.0030.03316.36
5.4.00.0000.03715.80
5.3.290.0070.07314.76
5.3.280.0030.05014.49
5.3.270.0030.03714.40
5.3.260.0030.03714.69
5.3.250.0000.04014.54
5.3.240.0070.03314.70
5.3.230.0030.03714.69
5.3.220.0030.03714.50
5.3.210.0030.03714.58
5.3.200.0030.03714.47
5.3.190.0030.03714.58
5.3.180.0070.03314.54
5.3.170.0030.03714.50
5.3.160.0030.03314.47
5.3.150.0100.03014.55
5.3.140.0030.03314.48
5.3.130.0030.03714.49
5.3.120.0070.03314.48
5.3.110.0000.04314.52
5.3.100.0000.04013.93
5.3.90.0030.03713.94
5.3.80.0030.03313.99
5.3.70.0000.04014.04
5.3.60.0000.04013.94
5.3.50.0000.03713.88
5.3.40.0070.04013.89
5.3.30.0100.03013.75
5.3.20.0070.03713.64
5.3.10.0000.03713.61
5.3.00.0030.03313.58
5.2.170.0000.03011.09
5.2.160.0000.03011.15
5.2.150.0070.02311.05
5.2.140.0030.03011.30
5.2.130.0000.03011.26
5.2.120.0030.02711.09
5.2.110.0000.03711.09
5.2.100.0000.03011.09
5.2.90.0030.02711.00
5.2.80.0000.03011.25
5.2.70.0000.03311.08
5.2.60.0070.02311.03
5.2.50.0070.05010.91
5.2.40.0030.02711.00
5.2.30.0030.02710.96
5.2.20.0070.03710.91
5.2.10.0130.02310.91
5.2.00.0100.03010.62
5.1.60.0130.04710.03
5.1.50.0030.0409.98
5.1.40.0030.03310.03
5.1.30.0000.06310.38
5.1.20.0100.05010.49
5.1.10.0070.02310.11
5.1.00.0130.03010.05
5.0.50.0070.0438.62
5.0.40.0100.0378.37
5.0.30.0030.0308.20
5.0.20.0000.0238.22
5.0.10.0070.0338.18
5.0.00.0070.0608.15
4.4.90.0000.0177.68
4.4.80.0030.0177.68
4.4.70.0000.0377.68
4.4.60.0030.0377.68
4.4.50.0030.0207.68
4.4.40.0000.0477.68
4.4.30.0000.0277.68
4.4.20.0070.0277.68
4.4.10.0030.0337.68
4.4.00.0030.0307.68
4.3.110.0000.0207.68
4.3.100.0000.0177.68
4.3.90.0000.0207.68
4.3.80.0030.0507.68
4.3.70.0130.0237.68
4.3.60.0030.0337.68
4.3.50.0000.0337.68
4.3.40.0000.0477.68
4.3.30.0000.0207.68
4.3.20.0000.0377.68
4.3.10.0000.0237.68
4.3.00.0070.0137.68

preferences:
37.24 ms | 401 KiB | 5 Q