3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ function __construct(){ register_shutdown_function(array(__CLASS__, 'handle_shutdown')); echo "X\n"; while(1){ $t[]=new B(); } // echo "Y\n"; } static public function handle_shutdown(){ echo "B\n"; $b=new B(); $b=null; } } class B{ } $a=new A(); ?>

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)
8.3.40.0470.03746.65
8.3.30.0390.02947.22
8.3.20.0290.01348.00
8.3.10.0130.02049.99
8.3.00.0260.02646.29
8.2.170.0380.03446.80
8.2.160.0470.02048.30
8.2.150.0100.02746.57
8.2.140.0190.01646.83
8.2.130.0110.01150.18
8.2.120.0100.01349.05
8.2.110.0160.02548.54
8.2.100.0470.02845.61
8.2.90.0160.02346.82
8.2.80.0130.02645.79
8.2.70.0130.02645.41
8.2.60.0170.02745.91
8.2.50.0190.02545.48
8.2.40.0140.02546.04
8.2.30.0270.02045.74
8.2.20.0130.02645.46
8.2.10.0070.03246.05
8.2.00.0230.02045.29
8.1.270.0160.01644.25
8.1.260.0070.02442.16
8.1.250.0070.02444.20
8.1.240.0090.01245.98
8.1.230.0330.00741.25
8.1.220.0100.02039.64
8.1.210.0060.02339.37
8.1.200.0220.01039.04
8.1.190.0160.01339.51
8.1.180.0130.01639.08
8.1.170.0290.00940.73
8.1.160.0170.01343.88
8.1.150.0110.01840.49
8.1.140.0140.01439.32
8.1.130.0180.00739.59
8.1.120.0170.01039.37
8.1.110.0140.01839.33
8.1.100.0180.01439.21
8.1.90.0140.01739.22
8.1.80.0180.01439.30
8.1.70.0070.02139.27
8.1.60.0200.01439.43
8.1.50.0070.02339.38
8.1.40.0150.01539.49
8.1.30.0230.00739.49
8.1.20.0100.02039.43
8.1.10.0160.03357.57
8.1.00.0260.02957.38
8.0.300.0200.02657.24
8.0.290.0210.03157.20
8.0.280.0170.03058.24
8.0.270.0280.02457.11
8.0.260.0130.03456.73
8.0.250.0170.03056.77
8.0.240.0260.02956.83
8.0.230.0370.02756.60
8.0.220.0210.02456.70
8.0.210.0170.03756.63
8.0.200.0210.02856.73
8.0.190.0230.03356.73
8.0.180.0370.03456.79
8.0.170.0200.03356.81
8.0.160.0240.02756.82
8.0.150.0270.03156.58
8.0.140.0230.03256.60
8.0.130.0760.069101.45
8.0.120.0230.03056.65
8.0.110.0170.03056.73
8.0.100.0200.02756.57
8.0.90.0230.02656.57
8.0.80.0300.07056.66
8.0.70.0250.02556.54
8.0.60.0230.02656.74
8.0.50.0320.01956.55
8.0.30.0650.06457.01
8.0.20.0610.06756.94
8.0.10.0200.03056.87
8.0.00.0850.10156.54
7.4.330.0140.02556.95
7.4.320.0230.02656.18
7.4.300.0320.02556.22
7.4.290.0270.02756.38
7.4.280.0300.02756.32
7.4.270.0130.03756.23
7.4.260.0200.04056.36
7.4.250.0250.02556.21
7.4.240.0340.01656.24
7.4.230.0290.02056.40
7.4.220.1050.07256.18
7.4.210.0550.05656.29
7.4.200.0170.03456.36
7.4.190.0320.01956.27
7.4.160.0490.06356.20
7.4.150.0620.06256.33
7.4.140.0680.06556.27
7.4.130.0580.05856.32
7.4.120.0670.05956.36
7.4.110.0380.07756.04
7.4.100.0520.10156.38
7.4.90.0560.06656.38
7.4.80.0630.06056.45
7.4.70.0570.09656.43
7.4.60.0560.05956.37
7.4.50.0220.03556.09
7.4.40.0290.04356.15
7.4.30.0580.06456.11
7.4.10.0490.05654.87
7.4.00.0440.04554.72
7.3.330.0340.071101.40
7.3.320.0670.071101.42
7.3.310.0200.03456.04
7.3.300.0160.03256.00
7.3.290.0430.06056.12
7.3.280.0540.07256.17
7.3.270.0730.05656.05
7.3.260.0920.08356.02
7.3.250.0600.06556.20
7.3.240.0550.07556.05
7.3.230.0690.05956.35
7.3.210.0400.08356.34
7.3.200.0580.06956.11
7.3.190.0780.08856.25
7.3.180.0740.05056.19
7.3.170.0550.06556.22
7.3.160.0580.06856.17
7.3.130.0390.05054.63
7.3.120.0420.05854.70
7.3.110.0330.06254.66
7.3.100.0250.04454.61
7.3.90.0350.04254.25
7.3.80.0340.04354.68
7.3.70.0350.04254.46
7.3.60.0340.03854.38
7.3.50.0330.04754.64
7.3.40.0290.04454.55
7.3.30.0280.06254.36
7.3.20.0130.04256.40
7.3.10.0360.04856.46
7.3.00.0130.04256.54
7.2.330.0460.07356.43
7.2.320.0690.05656.56
7.2.310.0550.08156.54
7.2.300.0610.06556.47
7.2.290.0700.06556.16
7.2.260.0340.06254.82
7.2.250.0280.07354.95
7.2.240.0220.05354.80
7.2.230.0260.05654.86
7.2.220.0370.05355.07
7.2.210.0330.04554.78
7.2.200.0330.04654.82
7.2.190.0310.04854.72
7.2.180.0300.05154.68
7.2.170.0280.04854.63
7.2.160.0350.04954.73
7.2.150.0160.03856.74
7.2.140.0130.03656.77
7.2.130.0220.05156.80
7.2.120.0130.04456.84
7.2.110.0170.04656.70
7.2.100.0260.03756.83
7.2.90.0150.04656.82
7.2.80.0230.05656.80
7.2.70.0170.04556.85
7.2.60.0480.04456.62
7.2.50.0100.05456.78
7.2.40.0310.04856.73
7.2.30.0170.04556.88
7.2.20.0190.04556.63
7.2.10.0180.04756.71
7.2.00.0180.03957.61
7.1.330.0070.04955.56
7.1.320.0080.05855.68
7.1.310.0150.04255.70
7.1.300.0160.05355.67
7.1.290.0160.06455.52
7.1.280.0100.04955.50
7.1.270.0120.05155.37
7.1.260.0260.04755.68
7.1.250.0200.04655.66
7.1.240.0210.04455.59
7.1.230.0130.05155.63
7.1.220.0130.05955.51
7.1.210.0130.05555.71
7.1.200.0390.04655.68
7.1.190.0240.05455.57
7.1.180.0100.06655.59
7.1.170.0160.04955.64
7.1.160.0180.06355.52
7.1.150.0200.05255.64
7.1.140.0160.04555.47
7.1.130.0110.05955.52
7.1.120.0190.06155.60
7.1.110.0230.06355.74
7.1.100.0210.05157.08
7.1.90.0190.05655.69
7.1.80.0240.04955.71
7.1.70.0380.05056.69
7.1.60.0140.06456.95
7.1.50.0250.05556.54
7.1.40.0200.05355.66
7.1.30.0330.05555.65
7.1.20.0150.06455.59
7.1.10.0140.05855.58
7.1.00.0220.07558.52
7.0.330.0160.05655.24
7.0.320.0160.05755.24
7.0.310.0230.05555.42
7.0.300.0150.05555.34
7.0.290.0220.05955.37
7.0.280.1390.05355.36
7.0.270.0150.05155.25
7.0.260.0190.06655.15
7.0.250.0230.05054.99
7.0.240.0210.05255.30
7.0.230.0310.05655.27
7.0.220.0130.06155.36
7.0.210.0190.04855.27
7.0.200.0610.04856.32
7.0.190.0220.05355.45
7.0.180.0230.06355.27
7.0.170.0130.05955.38
7.0.160.0200.05855.42
7.0.150.0160.06255.16
7.0.140.0170.08458.14
7.0.130.0280.06155.48
7.0.120.0220.05955.28
7.0.110.0210.05655.37
7.0.100.0260.05355.30
7.0.90.0200.05255.29
7.0.80.0260.04355.35
7.0.70.0150.06155.43
7.0.60.0280.07056.84
7.0.50.0210.07956.00
7.0.40.0210.06337.63
7.0.30.0500.07237.63
7.0.20.0430.07837.51
7.0.10.0110.08237.51
7.0.00.0170.06537.52
5.6.400.0320.07778.50
5.6.390.0340.08778.93
5.6.380.0360.08178.71
5.6.370.0280.09278.70
5.6.360.0420.07978.73
5.6.350.0340.09878.53
5.6.340.0270.09178.93
5.6.330.0270.08378.57
5.6.320.0380.09078.60
5.6.310.0390.08078.81
5.6.300.0480.07878.63
5.6.290.0280.09078.88
5.6.280.0400.09480.92
5.6.270.0360.08778.83
5.6.260.0390.07878.65
5.6.250.0420.07478.59
5.6.240.0440.07678.77
5.6.230.0380.08578.75
5.6.220.0400.07778.84
5.6.210.0290.10880.54
5.6.200.0370.10279.99
5.6.190.0400.09980.59
5.6.180.0520.09780.63
5.6.170.0500.07580.72
5.6.160.0320.08180.59
5.6.150.0410.07279.86
5.6.140.0440.08580.04
5.6.130.0380.09379.93
5.6.120.0350.08481.00
5.6.110.0320.11181.09
5.6.100.0360.10680.88
5.6.90.0430.09780.78
5.6.80.0320.08180.59
5.6.70.2690.07480.64
5.6.60.0350.08578.58
5.6.50.0390.08178.52
5.6.40.0340.08978.66
5.6.30.0410.08378.60
5.6.20.0510.07778.73
5.6.10.0340.08378.72
5.6.00.0340.08878.71
5.5.380.0290.09878.96
5.5.370.0460.09679.04
5.5.360.0350.08778.76
5.5.350.0430.09881.04
5.5.340.0330.09280.17
5.5.330.0330.09980.92
5.5.320.0570.09880.73
5.5.310.0400.09880.71
5.5.300.0280.10580.04
5.5.290.0290.10780.22
5.5.280.0350.10881.21
5.5.270.0370.10881.28
5.5.260.0410.11681.13
5.5.250.0400.10680.93
5.5.240.0400.09980.79
5.5.230.0420.09478.79
5.5.220.0370.09678.75
5.5.210.0410.09378.74
5.5.200.0530.11678.91
5.5.190.0380.09978.94
5.5.180.0480.07978.72
5.5.170.0400.10578.78
5.5.160.0310.09678.94
5.5.150.0490.08778.90
5.5.140.0430.09879.11
5.5.130.0360.10078.89
5.5.120.0300.10978.81
5.5.110.0310.10178.90
5.5.100.0490.08878.95
5.5.90.0500.08078.84
5.5.80.0450.10578.84
5.5.70.0310.10578.65
5.5.60.0450.11378.93
5.5.50.0320.09578.92
5.5.40.0490.10978.81
5.5.30.0460.09678.93
5.5.20.0360.08978.84
5.5.10.0380.11578.57
5.5.00.0470.10179.00
5.4.450.0440.11678.43
5.4.440.0460.10978.33
5.4.430.0560.11778.42
5.4.420.0870.06778.40
5.4.410.0480.12478.46
5.4.400.0700.13978.23
5.4.390.0600.12278.14
5.4.380.0420.11278.14
5.4.370.0410.10278.15
5.4.360.0400.10478.17
5.4.350.0330.10176.08
5.4.340.0290.10376.00
5.4.330.0290.11475.62
5.4.320.0370.09476.15
5.4.310.0340.09876.17
5.4.300.0380.09076.15
5.4.290.0370.10976.18
5.4.280.0250.10276.08
5.4.270.0300.10776.15
5.4.260.0220.10076.13
5.4.250.0380.09575.97
5.4.240.0360.09476.18
5.4.230.0280.09976.10
5.4.220.0340.12676.08
5.4.210.0290.10876.26
5.4.200.0420.10576.12
5.4.190.0570.09176.11
5.4.180.0450.10376.16
5.4.170.0530.10776.04
5.4.160.0500.12276.20
5.4.150.0500.10576.05
5.4.140.0500.11376.11
5.4.130.0500.10076.04
5.4.120.0480.11676.03
5.4.110.0590.11676.01
5.4.100.0450.11376.11
5.4.90.0450.10976.13
5.4.80.0440.10276.09
5.4.70.0610.10176.04
5.4.60.0510.11176.14
5.4.50.0550.11076.00
5.4.40.0470.11476.00
5.4.30.0510.11975.98
5.4.20.0560.10976.06
5.4.10.0680.11576.07
5.4.00.0420.10275.81
5.3.290.0280.09667.52
5.3.280.0230.10967.33
5.3.270.0460.09767.47
5.3.260.0490.09667.40
5.3.250.0470.10067.42
5.3.240.0510.11767.29
5.3.230.0590.12267.36
5.3.220.0410.10667.38
5.3.210.0420.12767.30
5.3.200.0470.11067.28
5.3.190.0430.11867.38
5.3.180.0400.11167.46
5.3.170.0420.10767.46
5.3.160.0460.09267.39
5.3.150.0470.09967.42
5.3.140.0430.09967.44
5.3.130.0450.10067.46
5.3.120.0620.08867.33
5.3.110.0440.09867.36
5.3.100.0450.10866.97
5.3.90.0490.11167.07
5.3.80.0410.10366.97
5.3.70.0470.09666.91
5.3.60.0370.10967.03
5.3.50.0390.10166.99
5.3.40.0460.10066.99
5.3.30.0340.10166.89
5.3.20.0440.12066.88
5.3.10.0430.10066.80
5.3.00.0430.08966.75
5.2.170.0640.11268.28
5.2.160.0570.11868.28
5.2.150.0510.11068.79
5.2.140.0700.09668.28
5.2.130.0750.11168.24
5.2.120.0620.11168.23
5.2.110.0690.10268.24
5.2.100.0660.10168.24
5.2.90.0670.13768.24
5.2.80.0730.09468.23
5.2.70.0710.10568.23
5.2.60.0650.10468.19
5.2.50.0570.12868.16
5.2.40.0890.16368.14
5.2.30.0640.12468.03
5.2.20.0590.12768.04
5.2.10.0640.11568.02
5.2.00.8961.114798.44
5.1.60.7960.817832.61
5.1.50.6720.731833.62
5.1.41.1680.771833.70
5.1.30.6840.774832.89
5.1.20.7500.844833.41
5.1.10.7040.796833.07
5.1.00.7420.700832.65
5.0.50.7850.984832.82
5.0.40.6790.909832.77
5.0.30.7291.038833.49
5.0.21.6420.992833.58
5.0.10.6970.830832.66
5.0.01.7670.948833.74
4.4.90.0110.0204.78
4.4.80.0100.0184.75
4.4.70.0080.0184.75
4.4.60.0060.0244.75
4.4.50.0110.0184.77
4.4.40.0030.0334.71
4.4.30.0060.0204.76
4.4.20.0100.0164.84
4.4.10.0060.0204.85
4.4.00.0080.0284.76
4.3.110.0090.0184.67
4.3.100.0060.0204.66
4.3.90.0080.0194.64
4.3.80.0100.0274.59
4.3.70.0030.0224.63
4.3.60.0050.0214.63
4.3.50.0050.0204.63
4.3.40.0070.0274.54
4.3.30.0030.0203.30
4.3.20.0070.0163.29
4.3.10.0060.0173.25
4.3.00.0030.0236.21

preferences:
40.96 ms | 400 KiB | 5 Q