3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";R:2;}i:2;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";R:2;}}'; $x = unserialize($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)
8.3.60.0040.01116.50
8.3.50.0130.00521.02
8.3.40.0000.01418.85
8.3.30.0040.01118.67
8.3.20.0050.00220.21
8.3.10.0040.00423.52
8.3.00.0080.00019.56
8.2.180.0180.00418.29
8.2.170.0040.01122.96
8.2.160.0070.00722.17
8.2.150.0080.00024.18
8.2.140.0110.00724.66
8.2.130.0040.00426.16
8.2.120.0060.00317.75
8.2.110.0090.00020.28
8.2.100.0080.00417.63
8.2.90.0060.00319.08
8.2.80.0080.00317.97
8.2.70.0000.00817.63
8.2.60.0000.00917.93
8.2.50.0000.00918.07
8.2.40.0040.00420.86
8.2.30.0030.00619.71
8.2.20.0050.00317.69
8.2.10.0040.00418.07
8.2.00.0050.00318.07
8.1.280.0100.00325.92
8.1.270.0120.00620.43
8.1.260.0070.00026.35
8.1.250.0030.00528.09
8.1.240.0030.00623.98
8.1.230.0060.00617.42
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0070.00317.36
8.1.190.0060.00317.23
8.1.180.0000.00718.10
8.1.170.0040.00418.71
8.1.160.0090.00022.02
8.1.150.0050.00318.85
8.1.140.0030.00617.37
8.1.130.0050.00217.64
8.1.120.0040.00417.43
8.1.110.0000.00717.43
8.1.100.0080.00017.34
8.1.90.0040.00417.23
8.1.80.0000.00817.30
8.1.70.0000.00717.37
8.1.60.0040.00417.52
8.1.50.0030.00517.57
8.1.40.0030.00517.36
8.1.30.0050.00317.68
8.1.20.0060.00317.64
8.1.10.0040.00417.57
8.1.00.0040.00417.54
8.0.300.0000.00718.77
8.0.290.0070.00016.75
8.0.280.0000.00718.37
8.0.270.0000.00817.26
8.0.260.0030.00317.20
8.0.250.0000.00717.00
8.0.240.0000.00816.92
8.0.230.0030.00316.96
8.0.220.0070.00016.90
8.0.210.0040.00417.03
8.0.200.0030.00317.04
8.0.190.0000.00717.02
8.0.180.0040.00416.88
8.0.170.0050.00216.97
8.0.160.0070.00016.97
8.0.150.0000.00717.01
8.0.140.0050.00216.96
8.0.130.0000.00613.37
8.0.120.0040.00416.91
8.0.110.0040.00416.95
8.0.100.0000.00816.96
8.0.90.0020.00516.86
8.0.80.0130.00316.92
8.0.70.0040.00416.91
8.0.60.0000.00716.78
8.0.50.0070.00016.95
8.0.30.0090.01117.01
8.0.20.0090.01017.46
8.0.10.0040.00416.90
8.0.00.0080.01116.77
7.4.330.0030.00315.08
7.4.320.0040.00416.55
7.4.300.0030.00316.42
7.4.290.0000.00816.41
7.4.280.0030.00516.50
7.4.270.0040.00416.46
7.4.260.0030.00316.42
7.4.250.0040.00416.54
7.4.240.0060.00216.46
7.4.230.0000.00716.41
7.4.220.0070.01716.41
7.4.210.0100.01016.50
7.4.200.0000.00716.35
7.4.160.0060.01016.44
7.4.150.0190.00017.40
7.4.140.0080.01217.86
7.4.130.0130.00716.55
7.4.120.0070.01116.56
7.4.110.0160.00616.61
7.4.100.0110.01416.61
7.4.90.0160.00316.66
7.4.80.0000.01719.39
7.4.70.0110.00616.50
7.4.60.0080.00816.68
7.4.50.0040.00416.39
7.4.40.0060.01216.45
7.4.30.0160.02916.73
7.4.00.0070.01014.84
7.3.330.0050.00013.15
7.3.320.0050.00013.15
7.3.310.0000.00816.24
7.3.300.0070.00016.31
7.3.290.0040.00416.34
7.3.280.0070.00916.33
7.3.270.0070.01017.40
7.3.260.0120.00916.50
7.3.250.0070.01216.42
7.3.240.0120.00816.28
7.3.230.0070.01516.75
7.3.210.0050.01316.39
7.3.200.0090.00916.39
7.3.190.0130.00316.34
7.3.180.0100.00616.63
7.3.170.0040.01416.39
7.3.160.0140.00616.42
7.3.120.0030.01414.94
7.3.110.0070.01014.73
7.3.100.0070.00714.66
7.3.90.0110.00314.88
7.3.80.0070.00714.92
7.3.70.0000.00915.00
7.3.60.0060.00615.03
7.3.50.0080.00314.64
7.3.40.0030.00614.82
7.3.30.0040.00414.90
7.3.20.0110.00716.64
7.3.10.0060.00916.70
7.3.00.0070.01016.63
7.2.330.0120.00616.59
7.2.320.0110.00816.58
7.2.310.0070.01216.65
7.2.300.0030.01416.62
7.2.290.0110.00816.84
7.2.240.0070.01314.89
7.2.230.0070.00714.85
7.2.220.0060.01015.03
7.2.210.0070.00714.95
7.2.200.0000.00815.23
7.2.190.0090.01215.03
7.2.180.0030.00715.20
7.2.170.0040.00814.83
7.2.160.0070.01015.20
7.2.150.0030.01317.06
7.2.140.0040.01417.05
7.2.130.0070.01017.10
7.2.120.0030.01016.91
7.2.110.0090.00616.99
7.2.100.0000.01216.71
7.2.90.0030.01316.89
7.2.80.0030.01316.82
7.2.70.0060.00917.04
7.2.60.0020.01316.75
7.2.50.0000.01216.50
7.2.40.0060.00316.75
7.2.30.0030.01016.87
7.2.20.0070.00716.94
7.2.10.0040.01116.83
7.2.00.0060.00617.90
7.1.330.0030.01315.73
7.1.320.0040.00415.52
7.1.310.0030.00615.93
7.1.300.0070.00715.68
7.1.290.0080.00415.58
7.1.280.0000.01015.64
7.1.270.0000.01615.78
7.1.260.0100.00715.57
7.1.250.0030.01315.97
7.1.200.0110.00015.84
7.1.100.0070.00418.23
7.1.70.0040.00417.16
7.1.60.0170.00720.03
7.1.50.0000.02217.05
7.1.00.0030.07722.40
7.0.200.0030.00716.76
7.0.60.0030.04019.83
7.0.50.0070.07317.67
7.0.40.0100.08320.07
7.0.30.0130.04320.04
7.0.20.0330.06320.00
7.0.10.0100.09020.16
7.0.00.0070.04320.19
5.6.280.0030.03321.13
5.6.210.0030.08320.70
5.6.200.0030.04018.11
5.6.190.0070.07020.60
5.6.180.0370.07020.67
5.6.170.0200.04320.57
5.6.160.0170.07020.48
5.6.150.0100.04718.13
5.6.140.0030.06718.14
5.6.130.0030.06318.15
5.6.120.0030.04321.11
5.6.110.0070.09021.00
5.6.100.0130.08320.99
5.6.90.0130.07721.09
5.6.80.0070.08320.36
5.5.350.4130.04720.40
5.5.340.0170.05717.91
5.5.330.0070.03720.40
5.5.320.0170.05320.15
5.5.310.0330.07020.12
5.5.300.0100.07717.98
5.5.290.0030.05317.92
5.5.280.0130.08020.71
5.5.270.0070.08320.79
5.5.260.0070.07720.74
5.5.250.0030.09020.68
5.5.240.0030.07720.27
5.4.450.0130.06019.08
5.4.440.0230.05319.10
5.4.430.0270.04319.29
5.4.420.0130.06019.10
5.4.410.0270.05019.39
5.4.400.0300.03719.20
5.4.390.0100.06319.22
5.4.380.0270.04718.78
5.4.370.0170.05719.18
5.4.360.0130.05319.13
5.4.350.0270.04019.06
5.4.340.0200.05019.13
5.4.320.0330.03718.89
5.4.310.0170.05718.93
5.4.300.0130.05318.78
5.4.290.0230.05318.90
5.4.280.0130.05719.12
5.4.270.0100.06019.09
5.4.260.0100.05718.88
5.4.250.0230.04718.76
5.4.240.0130.06019.16
5.4.230.0170.05019.19
5.4.220.0130.05719.13
5.4.210.0200.05319.12
5.4.200.0130.05318.78
5.4.190.0130.05319.12
5.4.180.0100.06018.87
5.4.170.0070.06018.77
5.4.160.0130.05318.95
5.4.150.0230.05018.90
5.4.140.0270.04016.35
5.4.130.0230.04016.46
5.4.120.0130.05016.27
5.4.110.0170.05016.53
5.4.100.0170.04716.46
5.4.90.0230.04016.49
5.4.80.0200.04716.37
5.4.70.0300.06716.18
5.4.60.0230.05716.38
5.4.50.0270.03016.45
5.4.40.0130.07016.16
5.4.30.0100.04016.28
5.4.20.0200.04316.35
5.4.10.0170.04016.35

preferences:
64.89 ms | 401 KiB | 5 Q