3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj { var $y; function __wakeup () { $this->y = 1; } } $x = 'a:3:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";a:1:{i:0;i:1;}}i:1;O:3:"obj":1:{s:1:"y";R:2;}i:2;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)
8.3.70.0060.01018.43
8.3.60.0070.00716.63
8.3.50.0150.00421.21
8.3.40.0180.00318.85
8.3.30.0120.00318.72
8.3.20.0050.00220.24
8.3.10.0070.00023.53
8.3.00.0050.00319.66
8.2.190.0100.00618.76
8.2.180.0070.00716.88
8.2.170.0070.01422.96
8.2.160.0100.00720.52
8.2.150.0080.00024.18
8.2.140.0090.00924.66
8.2.130.0040.00426.16
8.2.120.0000.00817.63
8.2.110.0030.00622.13
8.2.100.0090.00317.63
8.2.90.0040.00419.09
8.2.80.0030.00617.97
8.2.70.0000.00917.50
8.2.60.0060.00317.80
8.2.50.0030.00518.07
8.2.40.0030.00519.48
8.2.30.0060.00319.66
8.2.20.0030.00617.72
8.2.10.0050.00318.07
8.2.00.0000.00718.07
8.1.280.0130.00725.92
8.1.270.0000.00820.43
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00722.46
8.1.230.0030.00917.42
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0090.00317.38
8.1.190.0030.00617.23
8.1.180.0090.00018.10
8.1.170.0070.00018.52
8.1.160.0000.00821.98
8.1.150.0040.00418.84
8.1.140.0030.00517.41
8.1.130.0000.00717.70
8.1.120.0030.00517.41
8.1.110.0050.00317.34
8.1.100.0060.00317.34
8.1.90.0040.00417.40
8.1.80.0000.00717.41
8.1.70.0040.00417.30
8.1.60.0030.00617.55
8.1.50.0050.00317.39
8.1.40.0090.00017.54
8.1.30.0000.00917.70
8.1.20.0000.00817.69
8.1.10.0050.00217.50
8.1.00.0000.00817.51
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00818.43
8.0.270.0030.00517.28
8.0.260.0060.00017.33
8.0.250.0000.00717.05
8.0.240.0030.00616.93
8.0.230.0000.00817.03
8.0.220.0050.00317.02
8.0.210.0030.00517.02
8.0.200.0060.00016.95
8.0.190.0000.00716.95
8.0.180.0000.00716.97
8.0.170.0080.00016.87
8.0.160.0000.00717.04
8.0.150.0000.00716.88
8.0.140.0000.00816.92
8.0.130.0000.00713.47
8.0.120.0040.00416.93
8.0.110.0000.00816.88
8.0.100.0000.00817.09
8.0.90.0000.00716.85
8.0.80.0030.01516.88
8.0.70.0000.00716.79
8.0.60.0060.00316.84
8.0.50.0050.00316.88
8.0.30.0050.01217.03
8.0.20.0130.00517.40
8.0.10.0000.00716.92
8.0.00.0100.00916.91
7.4.330.0050.00015.09
7.4.320.0030.00316.46
7.4.300.0040.00416.67
7.4.290.0030.00316.55
7.4.280.0050.00316.63
7.4.270.0030.00316.39
7.4.260.0100.00016.66
7.4.250.0040.00416.58
7.4.240.0040.00416.59
7.4.230.0000.00716.42
7.4.220.0100.00916.61
7.4.210.0000.01416.62
7.4.200.0050.00216.52
7.4.160.0060.01016.46
7.4.150.0120.00817.40
7.4.140.0110.01117.86
7.4.130.0160.00416.53
7.4.120.0040.01416.57
7.4.110.0030.01416.50
7.4.100.0140.00816.52
7.4.90.0090.00916.49
7.4.80.0170.00319.39
7.4.70.0110.00616.54
7.4.60.0000.01616.66
7.4.50.0030.00516.26
7.4.40.0080.00816.66
7.4.30.0170.00616.43
7.4.00.0050.01114.84
7.3.330.0050.00013.38
7.3.320.0050.00013.41
7.3.310.0070.00016.41
7.3.300.0030.00316.25
7.3.290.0030.00316.34
7.3.280.0070.01216.35
7.3.270.0110.01117.40
7.3.260.0160.00916.34
7.3.250.0110.00916.38
7.3.240.0080.00816.51
7.3.230.0200.00316.64
7.3.210.0050.01416.55
7.3.200.0060.01216.52
7.3.190.0150.00416.41
7.3.180.0120.00616.50
7.3.170.0060.01116.62
7.3.160.0180.00616.43
7.3.120.0060.01214.80
7.3.110.0100.00714.88
7.3.100.0070.00714.80
7.3.90.0060.00914.93
7.3.80.0070.00714.52
7.3.70.0040.00815.02
7.3.60.0090.00015.01
7.3.50.0070.00414.68
7.3.40.0070.00314.86
7.3.30.0060.00314.79
7.3.20.0000.01416.78
7.3.10.0060.00916.80
7.3.00.0090.00016.56
7.2.330.0090.00916.50
7.2.320.0090.01216.78
7.2.310.0110.01116.63
7.2.300.0060.01016.46
7.2.290.0110.01116.30
7.2.250.0100.01014.94
7.2.240.0070.01014.82
7.2.230.0100.00614.96
7.2.220.0060.01114.99
7.2.210.0030.01215.19
7.2.200.0070.01115.00
7.2.190.0070.00715.09
7.2.180.0040.00715.26
7.2.170.0030.00715.07
7.2.60.0090.00316.56
7.2.00.0080.00819.39
7.1.330.0090.00615.75
7.1.320.0110.00415.85
7.1.310.0070.00415.77
7.1.300.0000.01115.56
7.1.290.0040.00715.95
7.1.280.0120.00615.81
7.1.270.0070.00715.98
7.1.260.0060.00815.88
7.1.200.0000.00915.51
7.1.100.0030.00918.13
7.1.70.0060.00617.21
7.1.60.0110.01420.03
7.1.50.0060.01334.90
7.1.00.0100.07022.51
7.0.200.0030.01014.67
7.0.60.0000.08720.04
7.0.50.0100.03717.89
7.0.40.0000.04720.15
7.0.30.0270.07320.15
7.0.20.0170.05720.33
7.0.10.0130.08020.03
7.0.00.0030.05720.16
5.6.280.0000.04021.04
5.6.210.0070.06320.69
5.6.200.0100.07718.18
5.6.190.0030.04720.49
5.6.180.0170.07720.64
5.6.170.0270.07320.47
5.6.160.0100.06720.43
5.6.150.0130.07318.29
5.6.140.0030.05318.13
5.6.130.0030.04018.30
5.6.120.0070.04720.98
5.6.110.0030.06020.93
5.6.100.0070.03721.14
5.6.90.0100.08320.98
5.6.80.0070.06020.28
5.5.350.2400.03320.41
5.5.340.0070.06717.99
5.5.330.0170.07320.23
5.5.320.0430.05320.31
5.5.310.0300.08020.41
5.5.300.0070.07017.98
5.5.290.0030.07717.95
5.5.280.0270.06320.80
5.5.270.0000.04320.64
5.5.260.0100.06020.87
5.5.250.0100.07720.58
5.5.240.0170.06720.19
5.4.450.0470.04719.33
5.4.440.0400.05319.42
5.4.430.0430.05319.27
5.4.420.0400.06319.16
5.4.410.0700.05019.02
5.4.400.0670.06019.32
5.4.390.0570.05718.84
5.4.380.0570.05319.24
5.4.370.0730.04719.08
5.4.360.0570.06719.00
5.4.350.0800.04319.26
5.4.340.0700.06318.82
5.4.320.1030.07019.00
5.4.310.0670.05719.11
5.4.300.0670.06319.21
5.4.290.0800.04319.11
5.4.280.0730.05019.19
5.4.270.0700.05719.21
5.4.260.0530.06019.05
5.4.250.0670.05319.04
5.4.240.0670.05019.15
5.4.230.0570.05019.18
5.4.220.0600.05318.82
5.4.210.0570.05719.07
5.4.200.0630.04719.30
5.4.190.0630.06019.04
5.4.180.0630.05019.05
5.4.170.0670.05019.20
5.4.160.0500.06019.23
5.4.150.0570.06319.04
5.4.140.0600.06016.49
5.4.130.0600.05016.42
5.4.120.0630.05016.49
5.4.110.0700.04716.52
5.4.100.0600.04716.25
5.4.90.0670.04016.61
5.4.80.0570.05016.63
5.4.70.0300.06016.52
5.4.60.0300.06016.24
5.4.50.0270.06716.43
5.4.40.0370.06016.43
5.4.30.0030.06016.20
5.4.20.0170.03316.23
5.4.10.0270.07016.48

preferences:
54.89 ms | 401 KiB | 5 Q