3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj { var $prop; function __wakeup() { $this->prop = 'prop'; } } $x = 'a:3:{i:0;O:8:"stdClass":1:{i:0;a:1:{i:0;i:1;}}i:1;O:3:"obj":1:{s:4:"prop";i:2;}i:2;R:3;}'; $y = unserialize($x); var_dump($y);

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)
8.3.60.0120.00918.30
8.3.50.0270.00721.21
8.3.40.0060.00918.57
8.3.30.0070.00718.76
8.3.20.0030.00620.34
8.3.10.0070.00021.91
8.3.00.0060.00317.80
8.2.180.0070.01416.50
8.2.170.0070.00722.96
8.2.160.0110.00720.52
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00720.83
8.2.110.0090.00021.92
8.2.100.0070.00419.36
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0000.00817.91
8.2.50.0060.00318.07
8.2.40.0050.00219.19
8.2.30.0040.00420.51
8.2.20.0030.00617.50
8.2.10.0060.00318.00
8.2.00.0040.00418.05
8.1.280.0070.00725.92
8.1.270.0150.00322.15
8.1.260.0060.00326.35
8.1.250.0030.00628.09
8.1.240.0060.00322.48
8.1.230.0120.00017.42
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00417.10
8.1.180.0070.00018.10
8.1.170.0000.00818.57
8.1.160.0080.00022.05
8.1.150.0040.00418.74
8.1.140.0040.00417.34
8.1.130.0000.00717.63
8.1.120.0000.00717.48
8.1.110.0040.00417.36
8.1.100.0040.00417.36
8.1.90.0070.00017.32
8.1.80.0030.00417.47
8.1.70.0030.00517.40
8.1.60.0030.00617.51
8.1.50.0060.00317.51
8.1.40.0080.00017.56
8.1.30.0000.00817.66
8.1.20.0000.00717.64
8.1.10.0070.00417.34
8.1.00.0040.00417.42
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0080.00018.38
8.0.270.0000.00717.20
8.0.260.0030.00317.11
8.0.250.0040.00416.92
8.0.240.0000.00716.98
8.0.230.0040.00416.87
8.0.220.0040.00416.85
8.0.210.0000.00816.83
8.0.200.0040.00416.96
8.0.190.0040.00416.97
8.0.180.0000.00817.02
8.0.170.0000.00716.89
8.0.160.0030.00416.93
8.0.150.0030.00316.84
8.0.140.0050.00316.89
8.0.130.0060.00013.35
8.0.120.0000.00716.78
8.0.110.0050.00216.82
8.0.100.0070.00016.84
8.0.90.0000.00716.96
8.0.80.0040.01116.89
8.0.70.0000.00816.79
8.0.60.0000.00716.77
8.0.50.0040.00416.89
8.0.30.0080.00817.30
8.0.20.0110.01117.40
8.0.10.0000.00717.03
8.0.00.0110.00816.71
7.4.330.0050.00015.08
7.4.320.0030.00316.34
7.4.300.0060.00016.62
7.4.290.0030.00316.39
7.4.280.0060.00316.52
7.4.270.0030.00316.60
7.4.260.0030.00316.60
7.4.250.0040.00416.55
7.4.240.0020.00516.54
7.4.230.0000.00716.55
7.4.220.0060.01216.61
7.4.210.0100.00016.38
7.4.200.0070.00016.52
7.4.160.0080.01116.52
7.4.150.0150.00317.40
7.4.140.0080.01117.86
7.4.130.0080.01216.54
7.4.120.0120.00816.54
7.4.110.0030.01316.36
7.4.100.0120.00616.39
7.4.90.0130.00416.70
7.4.80.0110.01119.39
7.4.70.0120.00416.61
7.4.60.0040.01316.53
7.4.50.0030.00616.29
7.4.40.0160.00616.40
7.4.30.0130.01016.41
7.4.00.0100.00714.95
7.3.330.0060.00013.18
7.3.320.0000.00513.27
7.3.310.0040.00416.16
7.3.300.0040.00416.32
7.3.290.0060.00916.31
7.3.280.0090.00716.33
7.3.270.0070.01117.40
7.3.260.0150.00916.63
7.3.250.0130.00716.47
7.3.240.0030.01516.32
7.3.230.0110.00816.61
7.3.210.0060.01316.38
7.3.200.0060.01116.48
7.3.190.0050.01116.59
7.3.180.0060.01216.49
7.3.170.0110.00716.61
7.3.160.0070.01016.26
7.3.120.0060.01214.69
7.3.110.0070.01114.74
7.3.100.0090.00614.99
7.3.90.0030.01314.82
7.3.80.0080.00614.88
7.3.70.0030.01314.56
7.3.60.0110.00414.70
7.3.50.0070.00714.76
7.3.40.0030.00614.98
7.3.30.0080.00414.62
7.3.20.0100.00316.64
7.3.10.0000.01516.56
7.3.00.0060.00916.35
7.2.330.0040.01416.58
7.2.320.0180.00616.66
7.2.310.0090.00616.77
7.2.300.0130.00416.71
7.2.290.0110.00716.42
7.2.250.0100.01014.91
7.2.240.0100.01014.82
7.2.230.0060.00614.95
7.2.220.0000.01515.05
7.2.210.0060.00915.12
7.2.200.0060.00914.70
7.2.190.0000.01214.96
7.2.180.0000.01514.73
7.2.170.0000.01415.08
7.2.80.0000.01016.44
7.2.60.0150.00016.95
7.2.00.0000.01119.38
7.1.330.0090.00615.66
7.1.320.0060.00315.32
7.1.310.0030.01015.56
7.1.300.0070.00415.56
7.1.290.0080.00315.66
7.1.280.0030.00815.39
7.1.270.0060.01215.66
7.1.260.0030.01015.68
7.1.200.0000.01215.81
7.1.100.0060.00318.12
7.1.70.0030.00616.98
7.1.60.0090.01319.27
7.1.50.0060.01016.98
7.1.00.0000.08022.37
7.0.200.0000.00816.40
7.0.60.0130.07719.82
7.0.50.0100.07717.91
7.0.40.0270.06720.23
7.0.30.0330.07020.27
7.0.20.0170.04720.05
7.0.10.0030.04320.26
7.0.00.0070.04020.17
5.6.280.0030.07021.10
5.6.210.0100.04720.57
5.6.200.0130.04718.20
5.6.190.0000.06720.43
5.6.180.0330.05720.67
5.6.170.0370.06020.50
5.6.160.0030.06020.46
5.6.150.0000.05718.15
5.6.140.0030.05718.15
5.6.130.0030.08318.13
5.6.120.0030.04021.11
5.6.110.0030.05320.89
5.6.100.0130.08021.07
5.6.90.0130.08020.98
5.6.80.0130.07320.43
5.5.350.0070.07720.50
5.5.340.0000.04018.05
5.5.330.0100.06020.46
5.5.320.0130.03720.23
5.5.310.0300.07020.41
5.5.300.0070.08318.04
5.5.290.0070.07318.06
5.5.280.0100.08320.77
5.5.270.0030.04320.67
5.5.260.0100.06720.65
5.5.250.0000.06020.59
5.5.240.0170.07720.27
5.4.450.0730.06719.15
5.4.440.0730.05719.46
5.4.430.0670.05719.55
5.4.420.0670.05719.31
5.4.410.0870.04719.02
5.4.400.0800.04718.96
5.4.390.0670.05719.23
5.4.380.0530.06319.14
5.4.370.0570.05319.22
5.4.360.0630.05019.00
5.4.350.0700.04019.12
5.4.340.0770.04719.23
5.4.320.0700.05719.11
5.4.310.0730.05319.04
5.4.300.0630.06719.11
5.4.290.0500.05719.10
5.4.280.0500.05719.12
5.4.270.0530.05719.10
5.4.260.0700.05319.12
5.4.250.0730.05019.13
5.4.240.0800.06319.30
5.4.230.0770.04318.80
5.4.220.0730.05319.22
5.4.210.0700.05019.20
5.4.200.0570.05319.20
5.4.190.0630.04719.09
5.4.180.0600.06019.23
5.4.170.0700.04719.11
5.4.160.0700.05019.29
5.4.150.0500.06319.08
5.4.140.0530.05316.56
5.4.130.0570.04716.52
5.4.120.0630.04316.55
5.4.110.0570.05016.52
5.4.100.0700.04316.61
5.4.90.0600.05716.26
5.4.80.0600.04316.60
5.4.70.0230.04716.28
5.4.60.0070.04316.23
5.4.50.0030.03316.43
5.4.40.0170.07016.53
5.4.30.0470.03016.53
5.4.20.0300.04716.38

preferences:
54.68 ms | 401 KiB | 5 Q