3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:3:{i:0;O:9:"exception":1:{s:16:"'."\0".'Exception'."\0".'trace";s:4:"test";}i:1;r:3;i:2;r:4;}'; $x = unserialize($x); for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } var_dump($x[2]);

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)
8.3.60.0110.00416.75
8.3.50.0130.00521.95
8.3.40.0070.00718.75
8.3.30.0110.00418.89
8.3.20.0040.00420.34
8.3.10.0040.00423.66
8.3.00.0040.00419.68
8.2.180.0080.00818.55
8.2.170.0070.00722.96
8.2.160.0060.00820.32
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0030.00617.50
8.2.110.0090.00020.53
8.2.100.0030.00917.89
8.2.90.0030.00517.73
8.2.80.0090.00017.97
8.2.70.0030.00617.80
8.2.60.0080.00017.91
8.2.50.0060.00318.10
8.2.40.0000.00921.21
8.2.30.0050.00219.22
8.2.20.0030.00617.68
8.2.10.0070.00018.07
8.2.00.0040.00417.97
8.1.280.0140.00325.92
8.1.270.0050.00320.38
8.1.260.0050.00226.35
8.1.250.0080.00028.09
8.1.240.0080.00022.10
8.1.230.0080.00320.10
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0080.00017.23
8.1.190.0040.00417.35
8.1.180.0030.00618.10
8.1.170.0040.00418.35
8.1.160.0000.00818.78
8.1.150.0000.00718.83
8.1.140.0060.00317.51
8.1.130.0000.00717.57
8.1.120.0000.00717.38
8.1.110.0000.00717.41
8.1.100.0030.00617.43
8.1.90.0050.00217.42
8.1.80.0000.00717.42
8.1.70.0030.00317.34
8.1.60.0000.00817.52
8.1.50.0040.00417.42
8.1.40.0040.00417.58
8.1.30.0090.00017.63
8.1.20.0040.00417.65
8.1.10.0040.00417.58
8.1.00.0000.00817.39
8.0.300.0040.00421.59
8.0.290.0000.00816.75
8.0.280.0030.00318.34
8.0.270.0070.00017.25
8.0.260.0030.00317.13
8.0.250.0040.00416.88
8.0.240.0040.00416.91
8.0.230.0030.00316.89
8.0.220.0070.00016.97
8.0.210.0070.00016.90
8.0.200.0000.00616.84
8.0.190.0040.00416.86
8.0.180.0030.00616.95
8.0.170.0080.00016.97
8.0.160.0040.00416.91
8.0.150.0030.00516.91
8.0.140.0050.00516.94
8.0.130.0030.00313.29
8.0.120.0030.00516.70
8.0.110.0060.00316.91
8.0.100.0050.00216.86
8.0.90.0020.00516.71
8.0.80.0120.00916.83
8.0.70.0000.00716.75
8.0.60.0000.00716.70
8.0.50.0000.00716.85
8.0.30.0070.01116.92
8.0.20.0040.01517.40
8.0.10.0000.00717.02
8.0.00.0080.00816.79
7.4.330.0050.00015.08
7.4.320.0000.00616.32
7.4.300.0060.00016.57
7.4.290.0000.00716.46
7.4.280.0040.00416.43
7.4.270.0000.00716.46
7.4.260.0040.00416.46
7.4.250.0040.00416.41
7.4.240.0020.00616.47
7.4.230.0030.00516.60
7.4.220.0060.01216.57
7.4.210.0050.01216.57
7.4.200.0080.00016.34
7.4.160.0050.01116.34
7.4.150.0080.00817.40
7.4.140.0110.01017.86
7.4.130.0100.01016.50
7.4.120.0120.00716.49
7.4.110.0090.00916.59
7.4.100.0110.00716.48
7.4.90.0100.00716.46
7.4.80.0060.01219.39
7.4.70.0070.01016.36
7.4.60.0090.00916.43
7.4.50.0000.01016.65
7.4.40.0060.00916.60
7.4.30.0130.02016.65
7.4.00.0100.00514.78
7.3.330.0000.00613.23
7.3.320.0030.00313.33
7.3.310.0000.00716.46
7.3.300.0030.00316.44
7.3.290.0070.00016.38
7.3.280.0120.01016.41
7.3.270.0100.01317.40
7.3.260.0090.00916.41
7.3.250.0100.00916.54
7.3.240.0160.00016.63
7.3.230.0070.01116.43
7.3.210.0060.00916.40
7.3.200.0080.00816.50
7.3.190.0040.01316.52
7.3.180.0060.01016.47
7.3.170.0030.01216.36
7.3.160.0140.00316.39
7.3.120.0130.00315.02
7.3.110.0070.01014.89
7.3.100.0140.00014.95
7.3.90.0080.00314.91
7.3.80.0030.01014.59
7.3.70.0100.00314.89
7.3.60.0060.00914.52
7.3.50.0110.00715.02
7.3.40.0000.01714.63
7.3.30.0000.01314.84
7.3.20.0060.00916.66
7.3.10.0120.00416.57
7.3.00.0040.01116.57
7.2.330.0070.01016.64
7.2.320.0060.01316.74
7.2.310.0130.00316.79
7.2.300.0060.01016.60
7.2.290.0130.01016.54
7.2.250.0130.00315.16
7.2.240.0130.00614.99
7.2.230.0090.00614.96
7.2.220.0000.01214.72
7.2.210.0030.01614.99
7.2.200.0080.00814.98
7.2.190.0120.00315.02
7.2.180.0110.00714.90
7.2.170.0040.00814.95
7.2.60.0070.00716.94
7.2.00.0030.00919.48
7.1.330.0000.01315.75
7.1.320.0100.00315.75
7.1.310.0060.00815.46
7.1.300.0070.00715.82
7.1.290.0030.01316.02
7.1.280.0070.00715.86
7.1.270.0030.01115.66
7.1.260.0070.01015.63
7.1.200.0030.01015.84
7.1.100.0000.01118.23
7.1.70.0050.00517.22
7.1.60.0000.02520.03
7.1.50.0290.00634.55
7.1.00.0070.07022.31
7.0.200.0370.00014.74
7.0.60.0030.08321.72
7.0.50.0070.08017.93
7.0.40.0100.06020.30
7.0.30.0230.04720.04
7.0.20.0230.07020.18
7.0.10.0070.04320.19
7.0.00.0070.04320.00
5.6.280.0070.03020.92
5.6.210.0100.07720.55
5.6.200.0070.04718.21
5.6.190.0100.03720.44
5.6.180.0300.06320.39
5.6.170.0300.07020.50
5.6.160.0070.03720.52
5.6.150.0130.04318.15
5.6.140.0030.04018.21
5.6.130.0100.03318.07
5.6.120.0100.08321.11
5.6.110.0330.05020.95
5.6.100.0070.07020.99
5.6.90.0000.09020.97
5.6.80.0100.07720.39
5.5.350.0270.04020.43
5.5.340.0070.07318.01
5.5.330.0200.06020.13
5.5.320.0330.04020.26
5.5.310.0370.07320.29
5.5.300.0100.03317.98
5.5.290.0030.05317.96
5.5.280.0070.06320.85
5.5.270.0030.04020.80
5.5.260.0230.06720.72
5.5.250.0130.07320.49
5.5.240.0030.06720.28
5.4.450.3570.04319.38
5.4.440.4800.03719.32
5.4.430.2170.06019.32
5.4.420.4830.04319.31
5.4.410.4300.04019.26
5.4.400.0030.04718.93
5.4.390.3730.04018.97
5.4.380.4870.03318.95
5.4.370.4930.02718.91
5.4.360.4230.03018.87
5.4.350.3700.03318.88
5.4.340.3230.05019.14
5.4.320.3930.04319.14
5.4.310.2300.03019.04
5.4.300.2400.03319.14
5.4.290.3130.03718.99
5.4.280.3070.03719.05
5.4.270.3030.03018.97
5.4.260.2870.03318.88
5.4.250.2870.04018.87
5.4.240.2570.03719.25
5.4.230.2670.03718.86
5.4.220.3730.04318.96
5.4.210.3200.04319.16
5.4.200.5870.04318.87
5.4.190.4330.04019.04
5.4.180.4200.04019.16
5.4.170.4130.04018.91
5.4.160.3970.04019.02
5.4.150.3930.04019.02
5.4.140.4570.04316.44
5.4.130.4900.03716.43
5.4.120.4670.04016.42
5.4.110.3630.04316.35
5.4.100.4400.04316.36
5.4.90.4670.03016.50
5.4.80.4000.03716.55

preferences:
64.27 ms | 401 KiB | 5 Q