3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:2:{i:0;O:9:"exception":1:{s:16:"'."\0".'Exception'."\0".'trace";s:4:"test";}i:1;R:3;}'; $x = unserialize($x); for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } print_r($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)
8.3.40.0070.00718.80
8.3.30.0070.00718.83
8.3.20.0000.00720.16
8.3.10.0000.00723.52
8.3.00.0090.00019.67
8.2.170.0100.00322.96
8.2.160.0100.00720.47
8.2.150.0000.00824.18
8.2.140.0080.00624.66
8.2.130.0040.00426.16
8.2.120.0090.00017.50
8.2.110.0090.00022.26
8.2.100.0060.00617.63
8.2.90.0000.00719.22
8.2.80.0050.00317.97
8.2.70.0000.00817.50
8.2.60.0030.00617.80
8.2.50.0080.00018.07
8.2.40.0000.00719.46
8.2.30.0080.00019.76
8.2.20.0050.00317.60
8.2.10.0030.00518.01
8.2.00.0030.00518.05
8.1.270.0040.00420.38
8.1.260.0000.00726.35
8.1.250.0030.00528.09
8.1.240.0040.00722.42
8.1.230.0080.00417.42
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0060.00617.35
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0050.00318.59
8.1.160.0070.00021.89
8.1.150.0040.00418.74
8.1.140.0060.00317.40
8.1.130.0040.00417.57
8.1.120.0040.00417.32
8.1.110.0000.00717.46
8.1.100.0060.00317.43
8.1.90.0000.00717.45
8.1.80.0030.00317.29
8.1.70.0030.00317.28
8.1.60.0040.00417.55
8.1.50.0070.00017.58
8.1.40.0050.00317.44
8.1.30.0090.00017.63
8.1.20.0080.00017.53
8.1.10.0050.00317.49
8.1.00.0070.00017.51
8.0.300.0000.00718.77
8.0.290.0020.00516.63
8.0.280.0040.00418.39
8.0.270.0000.00717.21
8.0.260.0030.00317.20
8.0.250.0070.00016.85
8.0.240.0000.00816.87
8.0.230.0000.00716.87
8.0.220.0030.00316.93
8.0.210.0060.00316.92
8.0.200.0030.00316.89
8.0.190.0060.00317.01
8.0.180.0060.00316.94
8.0.170.0000.00716.80
8.0.160.0040.00416.93
8.0.150.0000.00816.84
8.0.140.0030.00516.80
8.0.130.0030.00313.32
8.0.120.0040.00416.83
8.0.110.0040.00416.89
8.0.100.0040.00416.81
8.0.90.0070.00016.77
8.0.80.0110.00616.95
8.0.70.0040.00416.86
8.0.60.0040.00416.80
8.0.50.0040.00416.88
8.0.30.0110.00717.00
8.0.20.0140.00817.40
8.0.10.0020.00516.86
8.0.00.0140.00616.78
7.4.330.0030.00315.09
7.4.320.0070.00016.59
7.4.300.0000.00716.61
7.4.290.0030.00316.46
7.4.280.0000.00816.52
7.4.270.0080.00016.40
7.4.260.0050.00216.46
7.4.250.0000.00716.52
7.4.240.0040.00416.57
7.4.230.0000.00816.29
7.4.220.0030.01516.49
7.4.210.0070.00716.46
7.4.200.0030.00316.35
7.4.160.0040.01116.66
7.4.150.0090.00917.40
7.4.140.0060.01417.86
7.4.130.0140.00516.63
7.4.120.0110.01116.55
7.4.110.0180.00016.46
7.4.100.0150.00316.44
7.4.90.0090.00916.59
7.4.80.0070.01019.39
7.4.70.0100.00716.51
7.4.60.0130.00316.35
7.4.50.0000.00816.53
7.4.40.0030.01316.42
7.4.30.0120.01416.29
7.4.00.0070.01014.98
7.3.330.0000.00713.15
7.3.320.0030.00313.19
7.3.310.0000.00716.35
7.3.300.0000.00716.21
7.3.290.0070.00016.23
7.3.280.0100.00916.37
7.3.270.0140.00317.40
7.3.260.0120.00916.76
7.3.250.0130.00616.43
7.3.240.0070.01416.30
7.3.230.0120.00616.61
7.3.210.0080.00816.37
7.3.200.0040.01216.55
7.3.190.0030.01316.39
7.3.180.0150.00616.52
7.3.170.0090.01216.64
7.3.160.0130.00316.45
7.3.120.0100.00714.84
7.3.110.0090.00915.14
7.3.100.0100.00714.88
7.3.90.0030.00614.91
7.3.80.0030.01014.74
7.3.70.0030.01014.56
7.3.60.0060.00614.93
7.3.50.0070.00714.67
7.3.40.0060.00314.76
7.3.30.0060.00914.91
7.3.20.0100.00316.74
7.3.10.0000.01416.70
7.3.00.0140.00016.65
7.2.330.0030.01316.59
7.2.320.0090.00916.64
7.2.310.0100.00716.69
7.2.300.0070.01016.36
7.2.290.0060.01316.78
7.2.250.0070.01115.28
7.2.240.0080.00814.82
7.2.230.0060.00615.26
7.2.220.0000.01414.66
7.2.210.0060.00914.98
7.2.200.0000.01315.19
7.2.190.0030.00815.16
7.2.180.0060.00815.22
7.2.170.0100.00315.11
7.2.60.0070.00716.48
7.2.00.0040.01219.47
7.1.330.0000.01515.76
7.1.320.0090.00315.78
7.1.310.0000.00915.79
7.1.300.0050.00315.90
7.1.290.0070.00715.93
7.1.280.0030.01015.90
7.1.270.0000.00815.86
7.1.260.0000.01115.79
7.1.200.0050.01015.56
7.1.100.0040.01118.15
7.1.70.0000.02117.27
7.1.60.0060.01920.03
7.1.50.0260.01034.90
7.1.00.0070.07022.33
7.0.200.0280.00314.86
7.0.60.0070.08020.05
7.0.50.0070.05717.87
7.0.40.0070.08320.21
7.0.30.0270.08320.13
7.0.20.0370.07720.36
7.0.10.0130.08020.30
7.0.00.0170.03320.07
5.6.280.0030.05721.07
5.6.210.0030.06320.54
5.6.200.0000.08718.15
5.6.190.0070.05720.41
5.6.180.0270.05020.61
5.6.170.0230.05320.45
5.6.160.0000.05020.54
5.6.150.0100.08018.14
5.6.140.0070.07718.14
5.6.130.0130.03718.11
5.6.120.0070.05021.05
5.6.110.0100.07320.99
5.6.100.0070.08020.97
5.6.90.0100.07721.12
5.6.80.0100.05320.49
5.5.350.4270.03720.32
5.5.340.0170.05018.00
5.5.330.0030.08020.25
5.5.320.0400.07020.28
5.5.310.0570.06720.33
5.5.300.0070.07717.93
5.5.290.0030.06018.01
5.5.280.0030.08720.84
5.5.270.0100.04720.86
5.5.260.0200.07320.75
5.5.250.0100.07320.79
5.5.240.0030.07720.28
5.4.450.0500.05319.58
5.4.440.0330.06719.60
5.4.430.0530.04719.19
5.4.420.0470.05319.46
5.4.410.0470.05319.42
5.4.400.0400.05718.88
5.4.390.0470.06019.26
5.4.380.0530.04719.24
5.4.370.0330.05719.05
5.4.360.0430.04719.26
5.4.350.0500.05019.01
5.4.340.0430.05719.06
5.4.320.0470.05319.00
5.4.310.0430.05319.28
5.4.300.0500.04718.86
5.4.290.0470.05319.30
5.4.280.0400.06018.97
5.4.270.0400.05719.14
5.4.260.0530.04318.83
5.4.250.0500.04719.25
5.4.240.0600.03719.14
5.4.230.0430.05319.29
5.4.220.0430.05719.14
5.4.210.0430.05019.13
5.4.200.0470.05019.14
5.4.190.0500.05019.36
5.4.180.0470.05319.29
5.4.170.0530.04319.16
5.4.160.0470.04718.95
5.4.150.0430.05718.85
5.4.140.0530.04716.50
5.4.130.0470.05016.32
5.4.120.0430.05316.43
5.4.110.0430.05316.60
5.4.100.0600.04316.52
5.4.90.0500.04316.52
5.4.80.0500.04716.64
5.4.70.0200.04316.44
5.4.60.0270.06316.48
5.4.50.0200.06016.52
5.4.40.0400.06316.52
5.4.30.0030.07316.37
5.4.20.0030.05316.33
5.4.10.0230.07016.53

preferences:
49.73 ms | 400 KiB | 5 Q