3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:3:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";r:2;}}i:1;R:3;i;2;R:4;}'; $x = unserialize($x); var_dump($x);

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)
8.3.60.0040.01116.63
8.3.50.0120.01020.98
8.3.40.0090.00618.79
8.3.30.0110.00618.84
8.3.20.0050.00320.42
8.3.10.0000.00823.70
8.3.00.0080.00019.54
8.2.180.0070.01416.63
8.2.170.0120.00322.96
8.2.160.0140.00019.41
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0060.00319.36
8.2.110.0000.00922.08
8.2.100.0040.00717.75
8.2.90.0040.00419.08
8.2.80.0000.00817.97
8.2.70.0050.00317.63
8.2.60.0060.00317.80
8.2.50.0000.00818.07
8.2.40.0030.00619.34
8.2.30.0040.00419.78
8.2.20.0040.00417.62
8.2.10.0060.00317.95
8.2.00.0000.00818.06
8.1.280.0070.00725.92
8.1.270.0060.00320.22
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00321.97
8.1.230.0120.00017.42
8.1.220.0030.00717.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00317.35
8.1.180.0060.00318.10
8.1.170.0070.00318.43
8.1.160.0040.00423.74
8.1.150.0040.00418.82
8.1.140.0080.00017.38
8.1.130.0000.00817.66
8.1.120.0000.00717.32
8.1.110.0030.00317.40
8.1.100.0070.00017.37
8.1.90.0000.00717.45
8.1.80.0050.00317.42
8.1.70.0030.00317.29
8.1.60.0060.00317.46
8.1.50.0030.00617.53
8.1.40.0030.00617.43
8.1.30.0000.00817.64
8.1.20.0000.00717.55
8.1.10.0000.00717.55
8.1.00.0000.00717.45
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0000.00818.24
8.0.270.0030.00317.19
8.0.260.0000.00617.26
8.0.250.0030.00316.94
8.0.240.0050.00316.94
8.0.230.0030.00316.88
8.0.220.0000.00716.82
8.0.210.0030.00316.91
8.0.200.0060.00016.88
8.0.190.0000.00816.98
8.0.180.0030.00516.92
8.0.170.0040.00416.95
8.0.160.0020.00516.80
8.0.150.0060.00316.84
8.0.140.0070.00016.85
8.0.130.0000.00513.35
8.0.120.0040.00416.85
8.0.110.0040.00416.76
8.0.100.0000.00716.90
8.0.90.0000.00716.86
8.0.80.0080.00616.89
8.0.70.0050.00216.84
8.0.60.0000.00716.80
8.0.50.0080.00016.88
8.0.30.0090.00916.99
8.0.20.0090.00917.40
8.0.10.0040.00316.88
8.0.00.0070.01116.65
7.4.330.0000.00515.08
7.4.320.0000.00716.38
7.4.300.0030.00316.45
7.4.290.0070.00016.57
7.4.280.0030.00516.50
7.4.270.0030.00316.52
7.4.260.0000.00716.46
7.4.250.0000.00716.34
7.4.240.0040.00416.47
7.4.230.0070.00016.43
7.4.220.0000.01916.55
7.4.210.0110.00416.56
7.4.200.0040.00416.45
7.4.160.0070.01016.52
7.4.150.0070.01317.40
7.4.140.0090.00817.86
7.4.130.0080.00816.39
7.4.120.0090.00916.58
7.4.110.0160.00316.57
7.4.100.0040.01316.61
7.4.90.0140.00316.50
7.4.80.0060.01219.39
7.4.70.0060.01516.52
7.4.60.0140.01116.47
7.4.50.0080.00016.23
7.4.40.0090.00616.49
7.4.30.0050.01516.61
7.4.00.0030.01014.99
7.3.330.0030.00213.06
7.3.320.0020.00213.16
7.3.310.0000.00716.27
7.3.300.0000.00716.21
7.3.290.0130.00516.21
7.3.280.0050.01116.20
7.3.270.0030.01517.40
7.3.260.0060.01216.27
7.3.250.0090.00716.27
7.3.240.0090.00916.37
7.3.230.0080.00916.39
7.3.210.0030.01316.11
7.3.200.0090.00916.27
7.3.190.0080.01216.42
7.3.180.0030.01316.38
7.3.170.0030.01316.27
7.3.160.0060.01616.38
7.3.120.0070.01014.69
7.3.110.0100.00614.53
7.3.100.0030.01414.63
7.3.90.0030.00714.78
7.3.80.0030.01415.02
7.3.70.0070.00814.71
7.3.60.0100.00714.76
7.3.50.0090.00014.51
7.3.40.0000.01514.61
7.3.30.0030.01214.78
7.3.20.0030.01316.34
7.3.10.0060.00916.60
7.3.00.0060.00616.70
7.2.330.0040.01516.50
7.2.320.0060.01816.41
7.2.310.0080.00816.28
7.2.300.0060.01116.71
7.2.290.0110.01116.34
7.2.240.0060.00915.08
7.2.230.0080.00814.80
7.2.220.0060.00914.42
7.2.210.0090.00614.84
7.2.200.0000.01315.00
7.2.190.0040.01114.84
7.2.180.0060.01014.60
7.2.170.0060.00914.98
7.2.160.0040.00814.63
7.2.150.0060.01016.90
7.2.140.0030.00916.74
7.2.130.0100.00716.58
7.2.120.0080.00616.79
7.2.110.0100.00716.77
7.2.100.0130.00316.65
7.2.90.0140.00316.89
7.2.80.0100.00616.65
7.2.70.0100.00316.96
7.2.60.0030.01416.82
7.2.50.0070.01116.51
7.2.40.0000.01516.46
7.2.30.0100.00316.68
7.2.20.0030.00716.99
7.2.10.0130.00016.67
7.2.00.0020.01018.12
7.1.330.0110.00415.76
7.1.320.0000.01615.55
7.1.310.0070.00315.71
7.1.300.0090.00615.89
7.1.290.0060.00615.38
7.1.280.0060.00315.34
7.1.270.0070.00715.43
7.1.260.0120.00315.70
7.1.250.0110.00415.70
7.1.100.0030.00918.37
7.1.70.0070.00317.07
7.1.60.0060.01920.03
7.1.50.0070.01416.79
7.1.00.0030.07722.51
7.0.200.0000.00916.73
7.0.60.0170.06319.93
7.0.50.0030.06717.87
7.0.40.0000.05320.27
7.0.30.0200.04720.09
7.0.20.0300.08320.09
7.0.10.0130.08020.18
7.0.00.0030.08020.09
5.6.280.0000.03320.77
5.6.210.0070.07720.51
5.6.200.0130.03318.17
5.6.190.0170.08020.77
5.6.180.0300.06320.27
5.6.170.0300.05020.40
5.6.160.0030.05020.33
5.6.150.0030.04318.18
5.6.140.0100.07718.11
5.6.130.0100.08318.21
5.6.120.0070.03721.02
5.6.110.0070.08021.13
5.6.100.0000.07720.88
5.6.90.0100.08321.12
5.6.80.0200.05720.33
5.5.350.2330.04020.45
5.5.340.0070.08017.98
5.5.330.0030.04320.15
5.5.320.0230.07720.34
5.5.310.0300.07020.29
5.5.300.0030.08317.99
5.5.290.0130.08017.91
5.5.280.0130.06320.89
5.5.270.0000.05020.75
5.5.260.0170.07720.96
5.5.250.0100.07020.57
5.5.240.0100.03020.14
5.4.450.0070.04719.47
5.4.440.0000.07719.25
5.4.430.0000.06319.23
5.4.420.0030.07319.20
5.4.410.0070.04018.98
5.4.400.0070.06018.95
5.4.390.0030.05019.24
5.4.380.0170.04719.24
5.4.370.0030.04019.09
5.4.360.0000.05719.06
5.4.350.0030.04718.79
5.4.340.0000.04319.08
5.4.320.0000.08318.95
5.4.310.0030.07319.16
5.4.300.0070.04319.08
5.4.290.0070.05319.16
5.4.280.0100.07719.10
5.4.270.0100.06719.23
5.4.260.0070.04319.16
5.4.250.0130.07019.21
5.4.240.0000.08018.78
5.4.230.0070.07019.23
5.4.220.0000.06019.17
5.4.210.0000.06018.92
5.4.200.0030.04719.13
5.4.190.0000.07718.77
5.4.180.0030.07019.08
5.4.170.0070.07319.14
5.4.160.0070.05318.91
5.4.150.0070.08719.11
5.4.140.0100.07016.27
5.4.130.0030.07016.44
5.4.120.0100.06316.25
5.4.110.0030.06016.21
5.4.100.0070.05716.44
5.4.90.0000.07316.06
5.4.80.0070.04716.29

preferences:
60.66 ms | 401 KiB | 5 Q