3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:2:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";a:1:{i:0;i:1;}}i:1;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";a:1:{i:0;R:3;}}}'; $x = unserialize($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)
8.3.60.0110.00416.38
8.3.50.0140.00521.07
8.3.40.0100.01018.79
8.3.30.0140.00018.79
8.3.20.0070.00020.35
8.3.10.0040.00423.66
8.3.00.0000.00819.69
8.2.180.0070.00718.30
8.2.170.0090.00622.96
8.2.160.0070.00719.32
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00417.50
8.2.110.0030.00721.01
8.2.100.0090.00317.63
8.2.90.0030.00619.17
8.2.80.0060.00317.97
8.2.70.0040.00417.63
8.2.60.0050.00317.80
8.2.50.0050.00318.07
8.2.40.0030.00621.25
8.2.30.0040.00419.69
8.2.20.0050.00217.62
8.2.10.0070.00018.06
8.2.00.0040.00417.98
8.1.280.0070.00725.92
8.1.270.0070.00020.20
8.1.260.0070.00026.35
8.1.250.0030.00628.09
8.1.240.0040.00422.65
8.1.230.0040.00817.42
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0030.00617.23
8.1.180.0000.00818.10
8.1.170.0040.00418.65
8.1.160.0070.00022.02
8.1.150.0040.00418.74
8.1.140.0080.00017.45
8.1.130.0070.00017.33
8.1.120.0000.00717.46
8.1.110.0040.00417.31
8.1.100.0060.00317.32
8.1.90.0060.00317.30
8.1.80.0040.00417.38
8.1.70.0070.00017.46
8.1.60.0080.00017.50
8.1.50.0000.00917.53
8.1.40.0060.00317.52
8.1.30.0030.00617.56
8.1.20.0000.00717.61
8.1.10.0040.00417.50
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0070.00018.51
8.0.270.0050.00217.27
8.0.260.0030.00316.82
8.0.250.0000.00717.05
8.0.240.0000.00816.97
8.0.230.0070.00017.03
8.0.220.0000.00716.86
8.0.210.0040.00416.88
8.0.200.0000.00716.89
8.0.190.0070.00016.93
8.0.180.0030.00617.02
8.0.170.0000.00816.98
8.0.160.0040.00417.00
8.0.150.0000.00816.92
8.0.140.0000.00716.86
8.0.130.0000.00613.38
8.0.120.0030.00516.95
8.0.110.0050.00316.86
8.0.100.0040.00416.86
8.0.90.0040.00416.77
8.0.80.0160.00316.91
8.0.70.0050.00316.87
8.0.60.0050.00216.80
8.0.50.0030.00516.80
8.0.30.0090.01017.03
8.0.20.0140.00817.40
8.0.10.0050.00316.93
8.0.00.0130.00816.74
7.4.330.0030.00315.08
7.4.320.0000.00716.58
7.4.300.0030.00316.45
7.4.290.0000.00816.46
7.4.280.0040.00416.53
7.4.270.0000.00716.53
7.4.260.0030.00616.47
7.4.250.0000.00816.47
7.4.240.0020.00616.52
7.4.230.0070.00016.43
7.4.220.0150.00916.64
7.4.210.0070.00716.52
7.4.200.0040.00416.27
7.4.160.0120.00416.30
7.4.150.0060.01217.40
7.4.140.0140.00717.86
7.4.130.0120.00616.43
7.4.120.0090.00916.41
7.4.110.0180.00016.46
7.4.100.0100.00816.40
7.4.90.0090.00916.45
7.4.80.0060.01519.39
7.4.70.0030.01616.51
7.4.60.0130.00416.41
7.4.50.0000.00816.41
7.4.40.0120.00516.46
7.4.30.0120.01216.50
7.4.00.0020.01114.97
7.3.330.0030.00313.25
7.3.320.0030.00313.18
7.3.310.0040.00416.55
7.3.300.0000.00716.21
7.3.290.0040.00416.36
7.3.280.0090.01016.35
7.3.270.0090.01617.40
7.3.260.0100.01116.54
7.3.250.0140.00616.54
7.3.240.0090.00916.68
7.3.230.0120.00916.41
7.3.210.0090.00916.34
7.3.200.0160.00316.68
7.3.190.0070.01016.41
7.3.180.0060.01016.44
7.3.170.0000.01716.50
7.3.160.0120.01216.41
7.3.120.0090.00914.61
7.3.110.0100.01014.94
7.3.100.0060.00314.62
7.3.90.0030.01015.08
7.3.80.0100.00314.88
7.3.70.0160.00014.85
7.3.60.0060.00614.64
7.3.50.0060.00914.57
7.3.40.0040.01414.95
7.3.30.0110.00414.91
7.3.20.0060.00616.58
7.3.10.0000.01016.41
7.3.00.0000.01616.45
7.2.330.0040.01616.68
7.2.320.0160.00616.59
7.2.310.0120.00616.55
7.2.300.0090.00916.44
7.2.290.0110.00816.68
7.2.250.0180.00015.24
7.2.240.0100.01015.13
7.2.230.0000.01515.02
7.2.220.0070.00714.67
7.2.210.0060.00914.96
7.2.200.0030.01314.79
7.2.190.0000.01514.95
7.2.180.0100.00714.91
7.2.170.0070.00815.04
7.2.60.0040.01116.80
7.2.00.0000.01419.17
7.1.330.0100.00715.69
7.1.320.0030.01015.71
7.1.310.0080.00816.07
7.1.300.0030.01015.58
7.1.290.0040.01215.79
7.1.280.0070.01015.56
7.1.270.0000.00915.46
7.1.260.0030.01015.53
7.1.200.0120.00415.82
7.1.100.0090.00317.98
7.1.70.0040.00417.29
7.1.60.0160.00920.03
7.1.50.0070.01117.02
7.1.00.0030.07722.43
7.0.200.0000.00716.79
7.0.60.0030.04020.07
7.0.50.0070.06017.91
7.0.40.0100.08320.21
7.0.30.0270.04320.22
7.0.20.0270.06720.18
7.0.10.0070.05020.09
7.0.00.0000.05720.09
5.6.280.0000.06320.85
5.6.210.0070.08020.62
5.6.200.0030.04018.18
5.6.190.0030.04720.43
5.6.180.0300.06020.67
5.6.170.0170.05020.49
5.6.160.0070.08720.44
5.6.150.0070.08018.19
5.6.140.0100.08018.18
5.6.130.0170.07718.18
5.6.120.0030.04321.12
5.6.110.0030.04320.98
5.6.100.0000.08320.98
5.6.90.0070.08321.07
5.6.80.0070.06320.38
5.5.350.4100.03720.43
5.5.340.0000.05317.98
5.5.330.0000.06320.14
5.5.320.0300.07720.26
5.5.310.0170.03720.50
5.5.300.0100.07318.01
5.5.290.0100.07017.98
5.5.280.0070.08720.89
5.5.270.0030.05320.84
5.5.260.0200.07020.76
5.5.250.0100.08720.61
5.5.240.0070.05320.25
5.4.450.0400.06019.40
5.4.440.0470.05719.11
5.4.430.0400.05319.43
5.4.420.0430.05719.31
5.4.410.0500.05019.27
5.4.400.0470.05318.79
5.4.390.0500.05319.09
5.4.380.0370.07319.15
5.4.370.0370.05719.13
5.4.360.0470.05718.90
5.4.350.0500.05019.09
5.4.340.0500.05018.98
5.4.320.0430.05318.87
5.4.310.0330.06018.99
5.4.300.0530.04019.05
5.4.290.0470.05319.14
5.4.280.0470.05019.07
5.4.270.0570.04719.09
5.4.260.0670.03319.16
5.4.250.0500.05019.06
5.4.240.0400.06019.25
5.4.230.0500.05019.22
5.4.220.0500.05318.75
5.4.210.0500.05019.14
5.4.200.0530.04719.04
5.4.190.0370.05319.17
5.4.180.0430.04719.20
5.4.170.0430.06318.78
5.4.160.0530.05719.13
5.4.150.0700.07019.07
5.4.140.0530.06316.35
5.4.130.0570.04716.25
5.4.120.0570.04316.32
5.4.110.0570.05316.33
5.4.100.0530.05316.29
5.4.90.0570.05316.46
5.4.80.0370.05316.38
5.4.70.0230.06716.05
5.4.60.0170.06016.32
5.4.50.0200.04316.46
5.4.40.0270.07016.15
5.4.30.0000.03316.38
5.4.20.0200.07016.43
5.4.10.0230.03016.43

preferences:
51.82 ms | 401 KiB | 5 Q