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";a:1:{i:0;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)
8.3.60.0110.00416.75
8.3.50.0120.00521.03
8.3.40.0100.00718.92
8.3.30.0110.00418.89
8.3.20.0040.00420.29
8.3.10.0040.00423.65
8.3.00.0040.00419.79
8.2.180.0160.00618.25
8.2.170.0140.00022.96
8.2.160.0100.00720.57
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00317.50
8.2.110.0060.00322.02
8.2.100.0060.00617.63
8.2.90.0040.00419.14
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0040.00417.80
8.2.50.0030.00518.07
8.2.40.0080.00321.02
8.2.30.0040.00419.66
8.2.20.0070.00017.69
8.2.10.0050.00318.00
8.2.00.0050.00218.13
8.1.280.0170.00325.92
8.1.270.0090.00920.28
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00622.38
8.1.230.0080.00417.42
8.1.220.0080.00317.74
8.1.210.0000.00818.77
8.1.200.0100.00017.36
8.1.190.0050.00317.35
8.1.180.0080.00018.10
8.1.170.0090.00018.38
8.1.160.0050.00221.84
8.1.150.0040.00418.91
8.1.140.0040.00417.40
8.1.130.0070.00017.59
8.1.120.0000.00717.32
8.1.110.0000.00917.29
8.1.100.0090.00017.47
8.1.90.0040.00417.39
8.1.80.0030.00517.32
8.1.70.0040.00417.43
8.1.60.0030.00617.60
8.1.50.0030.00517.44
8.1.40.0030.00517.41
8.1.30.0000.00817.57
8.1.20.0080.00017.64
8.1.10.0000.00817.48
8.1.00.0000.00817.39
8.0.300.0040.00818.77
8.0.290.0000.00816.75
8.0.280.0000.00718.33
8.0.270.0000.00817.21
8.0.260.0020.00517.18
8.0.250.0020.00516.99
8.0.240.0080.00016.96
8.0.230.0040.00416.89
8.0.220.0000.00716.86
8.0.210.0000.00816.97
8.0.200.0000.00617.07
8.0.190.0070.00017.09
8.0.180.0030.00716.98
8.0.170.0060.00317.02
8.0.160.0040.00416.97
8.0.150.0040.00417.03
8.0.140.0060.00316.81
8.0.130.0000.00513.40
8.0.120.0040.00416.93
8.0.110.0000.00716.92
8.0.100.0000.00716.95
8.0.90.0000.00716.97
8.0.80.0120.00916.86
8.0.70.0030.00516.71
8.0.60.0070.00016.75
8.0.50.0060.00317.00
8.0.30.0120.00817.11
8.0.20.0170.00517.40
8.0.10.0030.00317.05
8.0.00.0100.00816.79
7.4.330.0050.00015.08
7.4.320.0000.00616.59
7.4.300.0030.00316.34
7.4.290.0070.00016.55
7.4.280.0030.00616.55
7.4.270.0030.00316.45
7.4.260.0050.00316.52
7.4.250.0040.00416.36
7.4.240.0010.00616.53
7.4.230.0000.00716.49
7.4.220.0150.00416.49
7.4.210.0110.00616.49
7.4.200.0000.00716.42
7.4.160.0140.00716.40
7.4.150.0120.00817.40
7.4.140.0130.00717.86
7.4.130.0110.01016.61
7.4.120.0080.01016.58
7.4.110.0110.00716.70
7.4.100.0040.01516.44
7.4.90.0070.01116.58
7.4.80.0090.01319.39
7.4.70.0090.00916.64
7.4.60.0100.00716.41
7.4.50.0030.00516.43
7.4.40.0100.00716.44
7.4.30.0120.01216.64
7.4.00.0070.00715.06
7.3.330.0020.00213.19
7.3.320.0030.00313.16
7.3.310.0000.00816.31
7.3.300.0000.00716.39
7.3.290.0030.00316.34
7.3.280.0100.00916.30
7.3.270.0150.00517.40
7.3.260.0160.00416.61
7.3.250.0100.00916.42
7.3.240.0070.01016.53
7.3.230.0140.00416.63
7.3.210.0040.01516.43
7.3.200.0060.01116.28
7.3.190.0120.00616.64
7.3.180.0160.00016.52
7.3.170.0150.00616.62
7.3.160.0060.01316.42
7.3.10.0070.00716.55
7.3.00.0070.01016.75
7.2.330.0120.00816.38
7.2.320.0030.01716.55
7.2.310.0200.00516.43
7.2.300.0120.00416.50
7.2.290.0110.01316.77
7.2.130.0060.01017.02
7.2.120.0080.00816.85
7.2.110.0030.01216.72
7.2.100.0040.00816.87
7.2.90.0070.00716.88
7.2.80.0120.00416.80
7.2.70.0100.00316.63
7.2.60.0050.00916.83
7.2.50.0060.01316.63
7.2.40.0100.00716.66
7.2.30.0070.00716.87
7.2.20.0100.00716.80
7.2.10.0000.01416.52
7.2.00.0060.00618.03
7.1.250.0110.00615.80
7.1.240.0060.00315.89
7.1.230.0060.00915.39
7.1.220.0000.00915.46
7.1.210.0080.00415.79
7.1.200.0070.00515.75
7.1.190.0060.00915.69
7.1.180.0030.01015.93
7.1.170.0060.00315.75
7.1.160.0070.00715.57
7.1.150.0060.01215.53
7.1.140.0040.00815.94
7.1.130.0060.00615.53
7.1.120.0060.00815.52
7.1.110.0040.00715.91
7.1.100.0020.01016.77
7.1.90.0070.00715.70
7.1.80.0110.00315.72
7.1.70.0070.00516.46
7.1.60.0060.01417.98
7.1.50.0110.00316.30
7.1.40.0120.00315.58
7.1.30.0060.00915.99
7.1.20.0110.00315.72
7.1.10.0080.00415.90
7.1.00.0080.05019.04
7.0.330.0040.00815.27
7.0.320.0000.01315.63
7.0.310.0000.00915.14
7.0.300.0030.00915.18
7.0.290.0070.00715.33
7.0.280.0110.00315.32
7.0.270.0100.00615.17
7.0.260.0030.00615.15
7.0.250.0050.00315.34
7.0.240.0040.00815.37
7.0.230.0060.00315.35
7.0.220.0070.01115.09
7.0.210.0090.00015.20
7.0.200.0050.00516.15
7.0.190.0060.00315.14
7.0.180.0120.00315.40
7.0.170.0040.00415.31
7.0.160.0000.01615.28
7.0.150.0060.00615.26
7.0.140.0030.01015.39
7.0.130.0070.00715.52
7.0.120.0060.00615.20
7.0.110.0000.01515.25
7.0.100.0030.00615.43
7.0.90.0050.00515.34
7.0.80.0070.00715.29
7.0.70.0070.01015.49
7.0.60.0120.04017.62
7.0.50.0070.04516.52
7.0.40.0060.04516.77
7.0.30.0130.02816.70
7.0.20.0130.03016.74
7.0.10.0040.03016.78
7.0.00.0050.04816.61
5.6.380.0090.00914.25
5.6.370.0120.00314.55
5.6.360.0120.00014.26
5.6.350.0110.00714.04
5.6.340.0060.00914.60
5.6.330.0090.00614.13
5.6.320.0060.00614.26
5.6.310.0040.01114.14
5.6.300.0080.00414.00
5.6.290.0060.00914.50
5.6.280.0060.01617.77
5.6.270.0120.00414.71
5.6.260.0030.01314.29
5.6.250.0040.00814.42
5.6.240.0100.00314.29
5.6.230.0040.01114.59
5.6.220.0070.00714.07
5.6.210.0050.02417.36
5.6.200.0070.02216.16
5.6.190.0040.03117.53
5.6.180.0200.03717.31
5.6.170.0110.03517.21
5.6.160.0100.04117.46
5.6.150.0060.04116.08
5.6.140.0030.04416.12
5.6.130.0100.02316.22
5.6.120.0030.05117.56
5.6.110.0030.04917.56
5.6.100.0050.05017.67
5.6.90.0050.04817.67
5.6.80.0150.03717.52
5.6.70.0110.00314.05
5.6.60.0070.00713.93
5.6.50.0030.00614.00
5.6.40.0090.00314.10
5.6.30.0080.00314.29
5.6.20.0060.01214.38
5.6.10.0130.00314.26
5.6.00.0000.01414.24
5.5.380.0040.00811.06
5.5.370.0080.00311.31
5.5.360.0060.00611.37
5.5.350.2020.02815.88
5.5.340.0100.03714.47
5.5.330.0040.03015.65
5.5.320.0150.01815.63
5.5.310.0200.03515.53
5.5.300.0050.03614.59
5.5.290.0050.03814.45
5.5.280.0080.04316.02
5.5.270.0030.04115.88
5.5.260.0030.02515.90
5.5.250.0130.03515.74
5.5.240.0010.02115.54
5.5.230.0110.00410.95
5.5.220.0060.00611.05
5.5.210.0120.00011.13
5.5.200.0100.00511.02
5.5.190.0030.00810.99
5.5.180.0090.00011.21
5.5.170.0090.00011.09
5.5.160.0000.00611.09
5.5.150.0000.01311.16
5.5.140.0090.00411.18
5.5.130.0000.01211.23
5.5.120.0040.00411.12
5.5.110.0100.00011.10
5.5.100.0000.01110.93
5.5.90.0080.00310.93
5.5.80.0070.00310.83
5.5.70.0070.00310.96
5.5.60.0030.00910.63
5.5.50.0030.01010.72
5.5.40.0090.00310.82
5.5.30.0000.01111.00
5.5.20.0100.00310.92
5.5.10.0030.01010.78
5.5.00.0030.01011.15
5.4.450.0100.02815.12
5.4.440.0130.02715.13
5.4.430.0180.02315.14
5.4.420.0210.03315.19
5.4.410.0230.02514.99
5.4.400.0160.03415.14
5.4.390.0110.03815.00
5.4.380.0190.02115.14
5.4.370.0140.02515.05
5.4.360.0050.03414.75
5.4.350.0120.02914.97
5.4.340.0080.02814.88
5.4.330.0000.01211.18
5.4.320.0270.02215.12
5.4.310.0180.03014.84
5.4.300.0100.03814.92
5.4.290.0260.02614.71
5.4.280.0250.03214.81
5.4.270.0200.03314.96
5.4.260.0170.02715.03
5.4.250.0090.02914.93
5.4.240.0060.03014.89
5.4.230.0030.03315.09
5.4.220.0260.02514.85
5.4.210.0240.02914.93
5.4.200.0180.03114.77
5.4.190.0230.02814.90
5.4.180.0240.02915.07
5.4.170.0120.02714.90
5.4.160.0080.02815.00
5.4.150.0150.02514.89
5.4.140.0110.03013.44
5.4.130.0130.02513.57
5.4.120.0070.02913.55
5.4.110.0070.03013.49
5.4.100.0080.03013.52
5.4.90.0170.01813.75
5.4.80.0080.02813.66
5.4.70.0130.02313.76
5.4.60.0130.02013.65
5.4.50.0130.04013.68
5.4.40.0200.03313.71
5.4.30.0080.03313.58
5.4.20.0030.02613.56
5.4.10.0250.03113.63
5.4.00.0000.01210.80

preferences:
54.16 ms | 401 KiB | 5 Q