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); for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } var_dump($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)
8.3.60.0110.00316.63
8.3.50.0250.00520.95
8.3.40.0140.00018.79
8.3.30.0100.00619.02
8.3.20.0110.00420.29
8.3.10.0080.00023.56
8.3.00.0050.00319.68
8.2.180.0180.00416.88
8.2.170.0100.01022.96
8.2.160.0030.01420.22
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00417.63
8.2.110.0110.00019.27
8.2.100.0090.00317.63
8.2.90.0080.00019.22
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0030.00517.91
8.2.50.0000.00818.07
8.2.40.0090.00021.11
8.2.30.0040.00419.70
8.2.20.0040.00417.70
8.2.10.0030.00518.02
8.2.00.0000.00718.05
8.1.280.0170.00325.92
8.1.270.0030.00620.38
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0030.00622.42
8.1.230.0090.00317.42
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.00
8.1.190.0060.00317.22
8.1.180.0040.00418.10
8.1.170.0030.00618.48
8.1.160.0040.00423.64
8.1.150.0000.00718.84
8.1.140.0030.00517.35
8.1.130.0030.00617.64
8.1.120.0030.00317.44
8.1.110.0040.00417.39
8.1.100.0030.00517.39
8.1.90.0070.00017.44
8.1.80.0040.00417.39
8.1.70.0040.00417.32
8.1.60.0050.00317.52
8.1.50.0090.00017.39
8.1.40.0000.00817.50
8.1.30.0040.00417.74
8.1.20.0050.00317.62
8.1.10.0080.00017.56
8.1.00.0060.00317.43
8.0.300.0060.00318.77
8.0.290.0040.00416.88
8.0.280.0050.00218.37
8.0.270.0000.00717.19
8.0.260.0000.00717.14
8.0.250.0050.00217.05
8.0.240.0030.00617.00
8.0.230.0000.00816.92
8.0.220.0000.00717.00
8.0.210.0000.00716.97
8.0.200.0030.00517.00
8.0.190.0040.00416.96
8.0.180.0050.00216.91
8.0.170.0060.00316.96
8.0.160.0030.00317.10
8.0.150.0080.00316.88
8.0.140.0040.00416.93
8.0.130.0000.00513.39
8.0.120.0040.00416.93
8.0.110.0000.00717.02
8.0.100.0040.00416.88
8.0.90.0040.00416.91
8.0.80.0110.00316.94
8.0.70.0000.00816.75
8.0.60.0000.00716.90
8.0.50.0050.00316.73
8.0.30.0160.00717.18
8.0.20.0090.01117.40
8.0.10.0000.00717.05
8.0.00.0110.00916.80
7.4.330.0000.00515.09
7.4.320.0030.00316.45
7.4.300.0030.00316.35
7.4.290.0070.00016.45
7.4.280.0040.00416.39
7.4.270.0000.00816.45
7.4.260.0000.00716.41
7.4.250.0040.00416.54
7.4.240.0040.00416.41
7.4.230.0020.00516.57
7.4.220.0030.01916.56
7.4.210.0060.00916.62
7.4.200.0000.00816.45
7.4.160.0030.01416.64
7.4.150.0120.00917.40
7.4.140.0070.01117.86
7.4.130.0110.01016.43
7.4.120.0120.01216.47
7.4.110.0080.01216.32
7.4.100.0140.01016.41
7.4.90.0120.00616.65
7.4.80.0100.01019.39
7.4.70.0090.00916.57
7.4.60.0090.01216.71
7.4.50.0000.00916.44
7.4.40.0090.00916.35
7.4.30.0080.01216.69
7.4.00.0070.01115.07
7.3.330.0030.00313.24
7.3.320.0030.00313.17
7.3.310.0000.00816.28
7.3.300.0070.00016.35
7.3.290.0060.01116.39
7.3.280.0060.01216.37
7.3.270.0090.00917.40
7.3.260.0110.01116.34
7.3.250.0130.00616.33
7.3.240.0130.01216.41
7.3.230.0040.01416.59
7.3.210.0070.01016.30
7.3.200.0070.01416.45
7.3.190.0150.00316.69
7.3.180.0060.01116.32
7.3.170.0110.00716.57
7.3.160.0070.01316.51
7.3.120.0150.00314.93
7.3.110.0080.01115.05
7.3.100.0030.00614.88
7.3.90.0030.00615.16
7.3.80.0100.00314.93
7.3.70.0040.01014.92
7.3.60.0070.00714.97
7.3.50.0060.00614.82
7.3.40.0030.00914.98
7.3.30.0070.00314.88
7.3.20.0130.00316.55
7.3.10.0030.01016.70
7.3.00.0070.00316.61
7.2.330.0060.01416.71
7.2.320.0090.01216.63
7.2.310.0120.00616.70
7.2.300.0060.01116.71
7.2.290.0130.01016.48
7.2.250.0100.01014.97
7.2.240.0060.01215.05
7.2.230.0090.00315.17
7.2.220.0000.01714.70
7.2.210.0070.00714.91
7.2.200.0000.01315.03
7.2.190.0030.01315.05
7.2.180.0080.00414.62
7.2.170.0040.01214.84
7.2.60.0140.00016.97
7.2.00.0030.00919.54
7.1.330.0040.01415.88
7.1.320.0070.01115.57
7.1.310.0030.01015.71
7.1.300.0030.01215.66
7.1.290.0030.00615.44
7.1.280.0040.00916.02
7.1.270.0030.00915.66
7.1.260.0090.00615.85
7.1.200.0040.00815.60
7.1.100.0030.00618.12
7.1.70.0000.00817.29
7.1.60.0110.01520.03
7.1.50.0080.01216.86
7.1.00.0070.07322.36
7.0.200.0040.00416.60
7.0.60.0070.06320.02
7.0.50.0130.05717.82
7.0.40.0000.07020.30
7.0.30.0330.07020.09
7.0.20.0270.04720.09
7.0.10.0200.04020.19
7.0.00.0100.07719.99
5.6.280.0030.07720.99
5.6.210.0130.07320.50
5.6.200.0030.05718.22
5.6.190.0000.04720.46
5.6.180.0570.07020.39
5.6.170.0230.08020.33
5.6.160.0130.08320.51
5.6.150.0030.04018.19
5.6.140.0100.08318.11
5.6.130.0100.07318.21
5.6.120.0100.08021.00
5.6.110.0100.08020.98
5.6.100.0030.04021.08
5.6.90.0070.08320.88
5.6.80.0070.06320.38
5.5.350.2270.03320.42
5.5.340.0030.07717.95
5.5.330.0070.07320.28
5.5.320.0270.08020.18
5.5.310.0200.05020.34
5.5.300.0230.03717.88
5.5.290.0130.06717.96
5.5.280.0030.05020.84
5.5.270.0130.06720.87
5.5.260.0070.06720.84
5.5.250.0000.04320.79
5.5.240.0100.07020.06
5.4.450.0130.05719.44
5.4.440.0130.05719.42
5.4.430.0170.05019.29
5.4.420.0200.04719.10
5.4.410.0100.06019.44
5.4.400.0100.05319.16
5.4.390.0270.05019.13
5.4.380.0200.05019.13
5.4.370.0130.05319.13
5.4.360.0100.07019.05
5.4.350.0130.07019.09
5.4.340.0130.06319.16
5.4.320.0130.07319.20
5.4.310.0130.06319.21
5.4.300.0170.05318.96
5.4.290.0100.05719.16
5.4.280.0200.05719.16
5.4.270.0170.05019.04
5.4.260.0270.05019.24
5.4.250.0200.05719.04
5.4.240.0130.05318.74
5.4.230.0170.05719.24
5.4.220.0100.06019.09
5.4.210.0170.05019.15
5.4.200.0130.05719.13
5.4.190.0200.05318.77
5.4.180.0130.05319.15
5.4.170.0170.05319.12
5.4.160.0200.04719.02
5.4.150.0170.05719.08
5.4.140.0100.06016.40
5.4.130.0170.05016.48
5.4.120.0200.04316.43
5.4.110.0170.04716.48
5.4.100.0200.04316.38
5.4.90.0170.05016.54
5.4.80.0130.05016.21
5.4.70.0270.06716.36
5.4.60.0330.06016.32
5.4.50.0230.07016.31
5.4.40.0230.06316.45
5.4.30.0030.04716.38
5.4.20.0030.05016.18
5.4.10.0170.03716.36

preferences:
41.35 ms | 401 KiB | 5 Q