3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = stdClass(); $b = stdClass(); $a->b = $b; echo serialize(array( 'a' => $a, 'b' => $b, ));

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)
8.3.60.0110.00418.55
8.3.50.0160.00921.89
8.3.40.0120.00918.97
8.3.30.0070.00718.92
8.3.20.0050.00320.27
8.3.10.0040.00423.66
8.3.00.0070.00020.67
8.2.180.0140.00718.28
8.2.170.0040.01122.96
8.2.160.0070.00722.26
8.2.150.0040.00424.18
8.2.140.0000.01524.66
8.2.130.0040.00426.16
8.2.120.0030.00617.63
8.2.110.0130.01019.31
8.2.100.0060.00617.91
8.2.90.0050.00318.97
8.2.80.0040.00417.97
8.2.70.0080.00318.04
8.2.60.0040.00417.80
8.2.50.0030.00518.10
8.2.40.0000.00720.59
8.2.30.0040.00418.02
8.2.20.0000.00717.52
8.2.10.0030.00517.58
8.2.00.0060.00317.59
8.1.280.0140.00725.92
8.1.270.0030.00522.14
8.1.260.0080.00026.35
8.1.250.0030.00628.09
8.1.240.0030.00719.10
8.1.230.0030.00717.70
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0030.00517.22
8.1.180.0080.00018.10
8.1.170.0050.00318.55
8.1.160.0040.00422.04
8.1.150.0090.00018.52
8.1.140.0040.00417.26
8.1.130.0030.00317.77
8.1.120.0070.00017.25
8.1.110.0000.00717.39
8.1.100.0040.00417.20
8.1.90.0080.00017.36
8.1.80.0030.00517.27
8.1.70.0040.00417.35
8.1.60.0080.00017.38
8.1.50.0000.00817.33
8.1.40.0040.00417.50
8.1.30.0050.00317.48
8.1.20.0060.00317.42
8.1.10.0040.00417.48
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.25
8.0.270.0030.00317.15
8.0.260.0050.00316.81
8.0.250.0040.00416.98
8.0.240.0030.00516.97
8.0.230.0000.00716.99
8.0.220.0070.00016.76
8.0.210.0040.00416.84
8.0.200.0030.00916.96
8.0.190.0000.00716.86
8.0.180.0040.00716.93
8.0.170.0080.00016.79
8.0.160.0000.00716.76
8.0.150.0000.00816.82
8.0.140.0040.00416.77
8.0.130.0000.00613.31
8.0.120.0050.00316.80
8.0.110.0050.00216.88
8.0.100.0000.00717.00
8.0.90.0040.00416.83
8.0.80.0040.01116.91
8.0.70.0040.00416.92
8.0.60.0000.00716.68
8.0.50.0040.00416.79
8.0.30.0110.01217.12
8.0.20.0100.00817.40
8.0.10.0040.00416.82
8.0.00.0150.00616.64
7.4.330.0050.00015.00
7.4.320.0060.00016.37
7.4.300.0030.00316.33
7.4.290.0040.00416.50
7.4.280.0000.00716.38
7.4.270.0030.00316.34
7.4.260.0000.00716.32
7.4.250.0040.00416.54
7.4.240.0000.00716.49
7.4.230.0030.00316.44
7.4.220.0110.00716.47
7.4.210.0070.00916.50
7.4.200.0000.00716.35
7.4.190.0050.00216.32
7.4.160.0060.00916.39
7.4.150.0120.01017.40
7.4.140.0080.01017.86
7.4.130.0020.01716.51
7.4.120.0100.01116.48
7.4.110.0120.00616.65
7.4.100.0130.00316.36
7.4.90.0080.01616.40
7.4.80.0060.01816.49
7.4.70.0190.00016.59
7.4.60.0100.00616.43
7.4.50.0030.00616.47
7.4.40.0030.01322.77
7.4.30.0080.00816.64
7.4.00.0090.00614.70
7.3.330.0000.00513.06
7.3.320.0000.00513.18
7.3.310.0000.00616.18
7.3.300.0040.00416.15
7.3.290.0090.00916.16
7.3.280.0070.00916.26
7.3.270.0030.01517.40
7.3.260.0090.01216.29
7.3.250.0120.01016.31
7.3.240.0140.00316.34
7.3.230.0080.00816.39
7.3.210.0100.01016.39
7.3.200.0200.00519.39
7.3.190.0030.01416.41
7.3.180.0030.01216.55
7.3.170.0120.00416.28
7.3.160.0060.01316.56
7.3.120.0060.00914.75
7.2.330.0080.01116.67
7.2.320.0060.01016.52
7.2.310.0070.01016.52
7.2.300.0100.00716.50
7.2.290.0080.00816.62
7.2.60.0030.01316.59
7.2.00.0030.00919.27
7.1.200.0000.01515.76
7.1.100.0040.01118.12
7.1.70.0120.00416.93
7.1.60.0090.00319.32
7.1.50.0070.00716.52
7.1.00.0070.07322.28
7.0.200.0060.00316.32
7.0.140.0070.07022.13
7.0.60.0130.07719.75
7.0.50.0130.07317.80
7.0.40.0130.04320.23
7.0.30.0300.07720.04
7.0.20.0200.07020.00
7.0.10.0030.07320.13
7.0.00.0130.03720.00
5.6.280.0070.06320.99
5.6.210.0070.07720.54
5.6.200.0070.04318.16
5.6.190.0100.07720.32
5.6.180.0470.06720.62
5.6.170.0270.04320.62
5.6.160.0100.05320.48
5.6.150.0070.08318.18
5.6.140.0100.07018.14
5.6.130.0030.08718.12
5.6.120.0170.06721.04
5.6.110.0230.07321.07
5.6.100.0030.04021.09
5.6.90.0070.05320.96
5.6.80.0130.08020.38
5.5.350.0130.08320.43
5.5.340.0070.04018.00
5.5.330.0100.07320.20
5.5.320.0370.05720.18
5.5.310.0500.05720.18
5.5.300.0000.05318.02
5.5.290.0030.08017.92
5.5.280.0070.06720.95
5.5.270.0100.04320.81
5.5.260.0130.05020.79
5.5.250.0030.04020.71
5.5.240.0000.08020.16
5.4.450.1730.04019.59
5.4.440.1870.04319.48
5.4.430.1800.04319.41
5.4.420.1730.03719.10
5.4.410.1870.03719.29
5.4.400.1800.04018.92
5.4.390.1830.04319.07
5.4.380.1800.04319.23
5.4.370.2030.04018.92
5.4.360.1630.04018.93
5.4.350.1830.04019.06
5.4.340.1570.03719.05
5.4.320.1800.04318.88
5.4.310.1670.03719.09
5.4.300.1900.03319.08
5.4.290.1730.05319.09
5.4.280.1530.04319.08
5.4.270.1830.03319.23
5.4.260.1900.03318.91
5.4.250.1930.03018.77
5.4.240.1730.05019.13
5.4.230.1570.03718.88
5.4.220.1870.04319.11
5.4.210.1900.04019.08
5.4.200.1630.03319.13
5.4.190.1770.04319.21
5.4.180.1630.03018.88
5.4.170.1600.03718.80
5.4.160.1600.03319.20
5.4.150.1800.03719.04
5.4.140.1870.04016.35
5.4.130.1830.03716.20
5.4.120.2030.03716.25
5.4.110.2100.03716.39
5.4.100.1700.03316.43
5.4.90.1830.04016.48
5.4.80.1630.03716.46
5.4.70.1600.04016.17
5.4.60.2030.03716.55
5.4.50.2030.04316.43
5.4.40.1830.04016.27
5.4.30.1770.04016.36
5.4.20.1670.04016.43
5.4.10.1930.04016.46
5.4.00.1930.04715.73
5.3.290.1670.03714.56
5.3.280.1700.04014.53
5.3.270.1630.04014.53
5.3.260.1670.03314.48
5.3.250.2130.04314.59
5.3.240.1670.03714.55
5.3.230.1500.04014.43
5.3.220.0030.06014.52
5.3.210.0030.04314.50
5.3.200.0900.03714.41
5.3.190.1930.04714.50
5.3.180.1730.04314.57
5.3.170.1870.03714.39
5.3.160.1930.04314.46
5.3.150.1600.03714.42
5.3.140.1870.04014.53
5.3.130.1870.04314.63
5.3.120.1670.02714.49
5.3.110.1700.04314.45
5.3.100.1900.04013.89
5.3.90.1970.05713.86
5.3.80.1870.04014.03
5.3.70.1870.04013.81
5.3.60.1800.04313.80
5.3.50.1930.03713.89
5.3.40.1800.04313.78
5.3.30.1830.04313.86
5.3.20.2030.03713.56
5.3.10.1700.03713.64
5.3.00.1870.03313.62
5.2.170.1330.02711.01
5.2.160.1530.04011.03
5.2.150.1600.03010.98
5.2.140.1630.03311.04
5.2.130.1530.03711.04
5.2.120.1500.04010.95
5.2.110.1430.02711.18
5.2.100.1270.03310.93
5.2.90.1600.03311.15
5.2.80.1630.02011.17
5.2.70.1600.03711.14
5.2.60.1530.04311.12
5.2.50.1330.03311.04
5.2.40.1330.03310.84
5.2.30.1130.02310.98
5.2.20.1230.03311.00
5.2.10.1230.03310.93
5.2.00.1200.03310.61
5.1.60.1070.0239.88
5.1.50.1200.04010.15
5.1.40.1130.0309.87
5.1.30.1270.03310.38
5.1.20.1070.02710.43
5.1.10.1100.02310.11
5.1.00.1100.02010.23
5.0.50.0670.0338.40
5.0.40.0630.0278.48
5.0.30.0600.0408.11
5.0.20.0600.0238.18
5.0.10.0700.0378.05
5.0.00.0570.0278.12
4.4.90.0700.0237.85
4.4.80.0700.0207.85
4.4.70.0370.0177.85
4.4.60.0470.0207.85
4.4.50.0630.0177.85
4.4.40.0730.0377.85
4.4.30.0630.0177.85
4.4.20.0000.0177.85
4.4.10.0030.0137.85
4.4.00.0000.0507.85
4.3.110.0000.0337.85
4.3.100.0030.0177.85
4.3.90.0030.0177.85
4.3.80.0000.0307.85
4.3.70.0200.0207.85
4.3.60.0600.0107.85
4.3.50.0570.0207.85
4.3.40.0570.0207.85
4.3.30.0300.0177.85
4.3.20.0330.0277.85
4.3.10.0300.0207.85
4.3.00.0370.0237.85

preferences:
29.75 ms | 401 KiB | 5 Q