3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i = 0; $i< 100000; $i++){ $var = array( 'a' => 'b', 'c' => 'd'); $var['var'] = $var; $var['var_ref'] = &$var; }

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)
8.3.40.0120.01518.63
8.3.30.0110.01818.71
8.3.20.0000.01318.44
8.3.10.0030.00920.38
8.3.00.0070.00719.38
8.2.170.0030.02722.96
8.2.160.0110.02122.17
8.2.150.0060.00624.18
8.2.140.0030.00924.66
8.2.130.0030.00926.16
8.2.120.0060.00619.76
8.2.110.0030.01722.06
8.2.100.0060.01317.78
8.2.90.0070.01019.27
8.2.80.0000.01518.03
8.2.70.0000.01717.50
8.2.60.0030.01318.04
8.2.50.0030.01318.07
8.2.40.0030.01218.34
8.2.30.0060.00919.91
8.2.20.0000.01517.56
8.2.10.0060.00917.64
8.2.00.0040.01217.67
8.1.270.0070.00723.99
8.1.260.0060.00626.35
8.1.250.0060.00628.09
8.1.240.0100.02922.47
8.1.230.0070.01120.96
8.1.220.0030.01318.77
8.1.210.0030.01218.96
8.1.200.0090.00917.35
8.1.190.0090.00617.53
8.1.180.0000.01518.10
8.1.170.0070.01118.76
8.1.160.0040.01218.88
8.1.150.0030.01218.50
8.1.140.0080.00817.39
8.1.130.0040.01117.82
8.1.120.0060.00917.41
8.1.110.0000.01517.38
8.1.100.0040.01117.30
8.1.90.0000.01417.43
8.1.80.0040.01117.43
8.1.70.0000.01517.36
8.1.60.0000.01717.55
8.1.50.0000.01717.40
8.1.40.0060.01217.43
8.1.30.0030.01417.61
8.1.20.0000.01717.61
8.1.10.0090.00917.50
8.1.00.0000.01717.33
8.0.300.0000.02019.85
8.0.290.0030.01316.63
8.0.280.0000.01618.28
8.0.270.0000.01517.23
8.0.260.0000.01416.66
8.0.250.0030.01316.86
8.0.240.0000.01716.75
8.0.230.0040.01216.87
8.0.220.0070.01016.84
8.0.210.0030.01216.79
8.0.200.0000.01516.84
8.0.190.0000.01716.84
8.0.180.0060.01216.76
8.0.170.0000.02016.70
8.0.160.0000.02016.71
8.0.150.0030.01716.78
8.0.140.0030.01716.79
8.0.130.0030.01213.21
8.0.120.0030.01516.76
8.0.110.0040.01416.71
8.0.100.0030.01416.64
8.0.90.0030.01416.72
8.0.80.0030.02416.75
8.0.70.0070.01116.77
8.0.60.0000.01716.88
8.0.50.0040.01516.59
8.0.30.0100.02017.08
8.0.20.0110.01617.40
8.0.10.0060.01216.88
8.0.00.0080.02216.69
7.4.330.0030.01014.75
7.4.320.0000.01416.55
7.4.300.0040.01116.53
7.4.290.0070.01316.50
7.4.280.0030.01416.51
7.4.270.0000.01716.57
7.4.260.0000.01713.18
7.4.250.0040.01516.34
7.4.240.0040.01416.48
7.4.230.0030.01416.55
7.4.220.0100.02116.48
7.4.210.0100.02816.50
7.4.200.0030.01516.52
7.4.190.0000.01816.66
7.4.160.0190.01316.54
7.4.150.0120.01617.40
7.4.140.0080.02617.19
7.4.130.0070.02116.43
7.4.120.0100.01816.46
7.4.110.0160.02016.47
7.4.100.0070.02116.41
7.4.90.0130.01616.33
7.4.80.0100.03019.39
7.4.70.0070.02116.46
7.4.60.0090.02016.27
7.4.50.0060.01916.29
7.4.40.0070.02122.27
7.4.30.0130.01316.25
7.4.00.0040.02515.01
7.3.330.0000.01613.24
7.3.320.0000.01613.04
7.3.310.0030.01616.21
7.3.300.0060.01116.36
7.3.290.0150.01216.32
7.3.280.0060.01916.33
7.3.270.0130.01417.40
7.3.260.0140.02318.24
7.3.250.0090.03116.62
7.3.240.0100.02316.44
7.3.230.0100.01816.39
7.3.210.0130.01616.39
7.3.200.0060.02816.60
7.3.190.0120.01516.21
7.3.180.0120.01516.28
7.3.170.0070.02016.46
7.3.160.0070.02116.35
7.3.120.0060.01917.15
7.3.110.0040.02117.15
7.3.100.0090.01517.15
7.3.90.0030.02017.15
7.3.80.0060.01917.15
7.3.70.0070.02017.15
7.3.60.0060.01817.15
7.3.50.0030.02317.15
7.3.40.0030.01717.15
7.3.30.0030.02017.15
7.3.20.0040.02217.15
7.3.10.0040.02517.15
7.3.00.0040.02517.15
7.2.330.0060.02816.57
7.2.320.0070.02716.64
7.2.310.0030.03816.46
7.2.300.0120.02116.62
7.2.290.0100.02316.50
7.2.240.0000.03317.15
7.2.230.0040.02117.15
7.2.220.0000.02917.15
7.2.210.0160.01617.15
7.2.200.0100.02217.15
7.2.190.0030.02817.15
7.2.180.0070.02217.15
7.2.170.0070.02417.15
7.2.160.0100.02017.15
7.2.150.0100.02317.15
7.2.140.0000.03317.15
7.2.130.0030.02817.15
7.2.120.0070.02417.15
7.2.110.0030.03117.15
7.2.100.0000.03317.15
7.2.90.0090.02117.15
7.2.80.0030.02717.15
7.2.70.0060.02617.15
7.2.60.0030.03017.15
7.2.50.0030.03017.15
7.2.40.0070.02117.15
7.2.30.0100.02317.15
7.2.20.0060.02417.15
7.2.10.0100.02017.15
7.2.00.0050.02518.17
7.1.330.0060.03217.15
7.1.320.0000.03417.15
7.1.310.0000.03617.15
7.1.300.0030.03217.15
7.1.290.0030.03717.15
7.1.280.0030.03417.15
7.1.270.0030.03417.15
7.1.260.0070.03317.15
7.1.250.0070.03317.15
7.1.100.0030.02618.01
7.1.70.0000.02017.28
7.1.60.0030.04719.40
7.1.50.0130.03216.95
7.1.00.0000.04722.54
7.0.200.0210.02416.64
7.0.140.0000.10022.12
7.0.60.0000.05720.07
7.0.50.0170.08317.89
7.0.40.0070.08717.69
7.0.30.0100.08317.80
7.0.20.0130.09717.79
7.0.10.0130.09317.71
7.0.00.0170.09317.78
5.6.210.0030.12720.51
5.6.200.0130.12718.23
5.6.190.0070.11718.23
5.6.180.0030.11718.17
5.6.170.0030.12318.18
5.6.160.0100.12718.18
5.6.150.0100.12318.10
5.6.140.0000.08718.07
5.6.130.0070.13018.14
5.6.120.0100.12318.20
5.6.110.0100.07318.11
5.6.100.0200.12018.21
5.6.90.0030.12718.18
5.6.80.0130.10317.60
5.6.70.0130.11317.56
5.6.60.0070.12017.48
5.6.50.0100.06717.56
5.6.40.0000.07317.47
5.6.30.0030.07017.47
5.6.20.0070.08017.56
5.6.10.0030.07017.44
5.6.00.0000.07317.46
5.5.350.0300.11020.34
5.5.340.0100.13018.01
5.5.330.0170.12317.95
5.5.320.0000.08717.95
5.5.310.0070.11017.95
5.5.300.0100.09317.98
5.5.290.0100.12718.00
5.5.280.0130.11717.92
5.5.270.0000.11017.95
5.5.260.0100.10717.97
5.5.250.0030.08317.82
5.5.240.0130.12717.30
5.5.230.0100.13017.25
5.5.220.0100.11017.29
5.5.210.0030.13317.32
5.5.200.0030.07317.23
5.5.190.0030.07317.24
5.5.180.0000.07317.30
5.5.160.0000.07717.30
5.5.150.0030.07017.35
5.5.140.0000.08017.30
5.5.130.0100.06717.27
5.5.120.0030.07317.22
5.5.110.0030.07317.29
5.5.100.0000.07317.27
5.5.90.0030.07017.22
5.5.80.0030.07017.23
5.5.70.0030.07017.26
5.5.60.0000.07317.26
5.5.50.0030.08017.22
5.5.40.0070.06717.16
5.5.30.0130.06317.29
5.5.20.0130.07717.22
5.5.10.0270.08717.13
5.5.00.0030.11717.11
5.4.450.0000.08019.34
5.4.440.0070.13319.23
5.4.430.0100.07719.27
5.4.420.0170.09719.58
5.4.410.0100.10319.23
5.4.400.0030.07319.05
5.4.390.0070.12319.07
5.4.380.0070.12019.20
5.4.370.0030.07718.98
5.4.360.0100.08018.98
5.4.350.0030.07319.00
5.4.340.0100.06719.03
5.4.320.0070.06719.02
5.4.310.0000.07318.99
5.4.300.0000.07719.06
5.4.290.0000.07318.98
5.4.280.0070.07318.98
5.4.270.0030.07019.12
5.4.260.0000.07319.00
5.4.250.0070.07719.04
5.4.240.0000.07319.00
5.4.230.0070.06719.02
5.4.220.0070.06718.94
5.4.210.0030.07018.96
5.4.200.0030.07319.13
5.4.190.0030.07019.11
5.4.180.0030.12319.00
5.4.170.0100.08318.97
5.4.160.0070.07718.95
5.4.150.0130.12718.96
5.4.140.0030.13316.25
5.4.130.0070.13316.34
5.4.120.0000.11716.33
5.4.110.0000.10316.26
5.4.100.0030.08716.42
5.4.90.0070.12716.40
5.4.80.0100.11716.26
5.4.70.0070.08316.15
5.4.60.0030.12316.35
5.4.50.0070.12016.27
5.4.40.0130.10716.39
5.4.30.0070.12316.32
5.4.20.0130.11316.35
5.4.10.0030.12716.22
5.4.00.0030.07315.60
5.3.290.0070.08014.63
5.3.280.0070.09714.41
5.3.270.0170.13714.52
5.3.260.0030.12314.45
5.3.250.0030.13714.43
5.3.240.0100.09014.57
5.3.230.0070.12014.57
5.3.220.0130.13314.48
5.3.210.0070.08314.53
5.3.200.0070.14014.53
5.3.190.0030.15714.54
5.3.180.0030.14014.39
5.3.170.0130.08014.49
5.3.160.0000.15314.49
5.3.150.0130.12314.41
5.3.140.0070.13714.52
5.3.130.0100.12714.50
5.3.120.0030.08714.47
5.3.110.0100.15014.52
5.3.100.0030.14313.98
5.3.90.0000.12014.09
5.3.80.0070.13013.98
5.3.70.0170.13013.98
5.3.60.0130.13313.75
5.3.50.0030.15313.90
5.3.40.0100.14013.87
5.3.30.0030.08313.67
5.3.20.0130.10013.66
5.3.10.0100.13313.62
5.3.00.0100.13313.41
5.2.170.0070.10711.11
5.2.160.0030.09311.09
5.2.150.0070.14011.15
5.2.140.0070.13711.14
5.2.130.0030.13310.93
5.2.120.0030.13310.88
5.2.110.0000.12710.93
5.2.100.0000.14311.10
5.2.90.0030.08011.05
5.2.80.0030.14311.08
5.2.70.0070.07711.01
5.2.60.0030.13311.04
5.2.50.0230.16071.78
5.2.40.0230.16071.75
5.2.30.0270.17771.48
5.2.20.0370.15371.57
5.2.10.0570.08371.45
5.2.00.0330.12771.41
5.1.60.0300.11389.30
5.1.50.0230.15789.26
5.1.40.0370.15389.21
5.1.30.0200.11089.69
5.1.20.0230.10789.70
5.1.10.0300.11089.38
5.1.00.0200.13389.38
5.0.50.0500.170135.25
5.0.40.0470.203135.03
5.0.30.0330.233134.84
5.0.20.0470.143135.03
5.0.10.0300.210134.84
5.0.00.0470.203134.88
4.4.90.0570.207132.45
4.4.80.0470.183132.40
4.4.70.0370.227132.39
4.4.60.0530.210132.54
4.4.50.0500.200132.43
4.4.40.0370.230132.54
4.4.30.0470.147132.52
4.4.20.0330.193132.50
4.4.10.0300.160132.57
4.4.00.0400.157132.46
4.3.110.0300.153132.43
4.3.100.0370.197132.42
4.3.90.0530.180132.37
4.3.80.0430.157132.42
4.3.70.0500.203132.36
4.3.60.0570.147132.42
4.3.50.0370.210132.43
4.3.40.0170.257132.38
4.3.30.0400.210131.13
4.3.20.0600.127131.18
4.3.10.0170.167131.11
4.3.00.0430.140131.04

preferences:
42.2 ms | 400 KiB | 5 Q