3v4l.org

run code in 300+ PHP versions simultaneously
<?php $code = "A0001"; $det1 = "it something a"; $det2 = "numero uno"; $alid = "01"; $alcode = "A0001"; $aldet1 = "it something"; $aldet2 = "numero uno"; $alid2 = "01"; $valA = ""; $valB = ""; ${$valB} = $alcode . $aldet1 . $aldet2; ${$valA} = $code . $det1 . $det2; echo $code ." $$ ". $det1 ." $$ ". $det2 ." $$ ". $$valA ." $$\n"; echo $alcode ." ## ". $aldet1 ." ## ". $aldet2 ." ## ". $$valB ." ##\n";

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)
8.5.10.0100.00916.47
8.5.00.0200.00719.89
8.4.150.0020.00014.05
8.4.140.0120.00917.61
8.4.130.0100.01018.86
8.4.120.0070.00223.89
8.4.110.0110.00819.61
8.4.100.0110.01017.66
8.4.90.0140.00620.54
8.4.80.0130.00718.81
8.4.70.0080.01018.98
8.4.60.0090.01218.66
8.4.50.0120.00818.70
8.4.40.0160.00317.63
8.4.30.0060.00320.47
8.4.20.0030.00620.76
8.4.10.0090.00019.59
8.3.280.0090.01020.75
8.3.270.0110.00816.60
8.3.260.0130.00616.73
8.3.250.0120.00618.89
8.3.240.0090.01016.91
8.3.230.0110.00816.48
8.3.220.0050.00318.87
8.3.210.0100.00818.32
8.3.200.0080.00116.62
8.3.190.0030.00916.99
8.3.180.0110.00618.84
8.3.170.0150.00319.02
8.3.160.0070.00719.00
8.3.150.0090.00917.23
8.3.140.0040.00418.96
8.3.130.0060.00318.30
8.3.120.0080.00020.48
8.3.110.0030.00620.94
8.3.100.0030.00624.06
8.3.90.0080.00026.77
8.3.80.0030.00618.43
8.3.70.0090.00616.38
8.3.60.0110.00718.43
8.3.50.0100.00517.34
8.3.40.0130.00718.84
8.3.30.0000.01418.76
8.3.20.0040.00420.65
8.3.10.0070.00023.61
8.3.00.0040.00420.88
8.2.290.0110.00816.82
8.2.280.0100.00819.99
8.2.270.0040.01416.51
8.2.260.0040.00417.03
8.2.250.0070.01118.16
8.2.240.0060.01318.70
8.2.230.0140.00022.58
8.2.220.0090.00037.54
8.2.210.0040.00426.77
8.2.200.0090.00018.41
8.2.190.0090.00616.63
8.2.180.0040.01118.30
8.2.170.0070.00722.96
8.2.160.0100.00320.35
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0070.00018.09
8.2.120.0030.00626.35
8.2.110.0060.00321.03
8.2.100.0080.00417.91
8.2.90.0000.00917.63
8.2.80.0030.00517.97
8.2.70.0050.00318.04
8.2.60.0020.00518.03
8.2.50.0050.00318.10
8.2.40.0000.00719.33
8.2.30.0040.00419.28
8.2.20.0000.00818.17
8.2.10.0030.00619.25
8.2.00.0070.00017.98
8.1.330.0120.00716.05
8.1.320.0130.00616.43
8.1.310.0000.00816.80
8.1.300.0030.00617.76
8.1.290.0060.00330.84
8.1.280.0030.01425.92
8.1.270.0000.00820.25
8.1.260.0050.00226.35
8.1.250.0000.00728.09
8.1.240.0030.00622.13
8.1.230.0080.00419.23
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0000.00817.00
8.1.180.0000.00718.10
8.1.170.0030.00518.59
8.1.160.0040.00418.79
8.1.150.0020.00518.79
8.1.140.0080.00019.01
8.1.130.0040.00420.32
8.1.120.0000.00717.39
8.1.110.0070.00017.46
8.1.100.0040.00417.36
8.1.90.0080.00017.38
8.1.80.0060.00317.51
8.1.70.0000.00717.43
8.1.60.0050.00317.47
8.1.50.0000.00717.44
8.1.40.0040.00417.48
8.1.30.0030.00517.63
8.1.20.0030.00517.69
8.1.10.0040.00417.52
8.1.00.0040.00417.31
8.0.300.0040.00419.64
8.0.290.0030.00616.75
8.0.280.0030.00418.38
8.0.270.0000.00716.86
8.0.260.0030.00318.43
8.0.250.0000.00716.81
8.0.240.0070.00016.84
8.0.230.0030.00316.82
8.0.220.0000.00716.89
8.0.210.0000.00916.77
8.0.200.0070.00016.82
8.0.190.0040.00416.89
8.0.180.0040.00416.93
8.0.170.0060.00316.78
8.0.160.0070.00016.88
8.0.150.0000.00716.82
8.0.140.0030.00316.77
8.0.130.0030.00313.41
8.0.120.0000.00816.88
8.0.110.0030.00616.96
8.0.100.0000.00716.75
8.0.90.0000.00716.96
8.0.80.0120.00316.90
8.0.70.0030.00516.70
8.0.60.0030.00516.79
8.0.50.0030.00316.93
8.0.30.0080.01117.02
8.0.20.0100.01217.00
8.0.10.0000.00716.91
8.0.00.0130.00716.73
7.4.330.0030.00316.84
7.4.320.0000.00616.53
7.4.300.0080.00016.61
7.4.290.0030.00316.36
7.4.280.0040.00416.39
7.4.270.0000.00716.60
7.4.260.0040.00416.56
7.4.250.0000.00616.38
7.4.240.0000.00716.39
7.4.230.0000.00716.48
7.4.220.0050.00316.70
7.4.210.0050.01116.56
7.4.200.0000.00816.72
7.4.160.0100.00716.53
7.4.130.0090.01316.72
7.4.120.0090.00916.50
7.4.110.0060.01716.41
7.4.100.0060.01316.48
7.4.90.0140.00416.60
7.4.80.0100.00719.39
7.4.70.0110.00716.46
7.4.60.0040.01316.54
7.4.50.0060.00616.48
7.4.40.0060.01616.30
7.4.10.0070.01115.01
7.4.00.0100.00714.93
7.3.330.0000.00513.25
7.3.320.0060.00013.23
7.3.310.0040.00416.30
7.3.300.0000.00716.23
7.3.290.0030.00316.33
7.3.280.0070.01116.31
7.3.260.0080.00916.41
7.3.240.0070.01116.35
7.3.230.0090.00916.44
7.3.210.0040.01216.29
7.3.200.0130.00916.55
7.3.190.0060.01216.44
7.3.180.0100.00716.63
7.3.170.0090.01316.61
7.3.160.0120.00316.31
7.3.130.0090.00914.75
7.3.120.0070.01014.79
7.3.110.0040.01514.80
7.3.100.0060.00614.61
7.3.90.0030.01314.81
7.3.80.0070.00715.10
7.3.70.0030.00514.87
7.3.60.0000.01114.60
7.3.50.0030.01314.97
7.3.40.0030.01014.72
7.3.30.0070.00514.79
7.3.20.0070.00616.63
7.3.10.0040.01216.64
7.3.00.0080.00716.59
7.2.330.0070.01016.56
7.2.320.0070.01016.64
7.2.310.0090.00916.73
7.2.300.0030.01316.68
7.2.290.0110.01116.33
7.2.260.0140.00315.06
7.2.250.0100.00715.04
7.2.240.0000.01615.08
7.2.230.0060.00614.94
7.2.220.0070.00715.12
7.2.210.0100.00314.85
7.2.200.0030.01015.05
7.2.190.0120.00315.01
7.2.180.0070.00314.81
7.2.170.0060.00715.10
7.2.160.0070.00514.90
7.2.150.0050.01416.83
7.2.140.0050.01016.93
7.2.130.0080.00916.96
7.2.120.0080.00616.71
7.2.110.0100.00716.88
7.2.100.0040.01016.91
7.2.90.0060.00816.87
7.2.80.0110.00616.80
7.2.70.0110.00616.98
7.2.60.0050.00716.71
7.2.50.0090.00516.94
7.2.40.0030.01216.81
7.2.30.0100.00316.87
7.2.20.0080.00517.03
7.2.10.0100.00517.04
7.2.00.0100.00316.78
7.1.330.0100.00315.81
7.1.320.0090.00315.72
7.1.310.0060.00615.62
7.1.300.0060.00915.81
7.1.290.0110.00415.91
7.1.280.0070.00815.71
7.1.270.0090.00315.59
7.1.260.0050.00715.76
7.1.250.0030.01015.61
7.1.240.0000.01015.98
7.1.230.0130.00015.83
7.1.220.0040.00815.58
7.1.210.0090.00315.73
7.1.200.0070.00715.71
7.1.190.0030.00515.78
7.1.180.0130.00015.71
7.1.170.0100.00315.64
7.1.160.0040.00415.80
7.1.150.0090.00615.92
7.1.140.0060.00315.90
7.1.130.0000.01115.73
7.1.120.0050.00315.75
7.1.110.0040.01115.75
7.1.100.0080.00315.77
7.1.90.0030.01315.82
7.1.80.0110.00415.73
7.1.70.0000.01415.92
7.1.60.0090.00615.94
7.1.50.0040.00715.77
7.1.40.0090.00615.55
7.1.30.0040.00815.46
7.1.20.0030.00615.61
7.1.10.0090.00615.80
7.1.00.0100.00715.63

preferences:
47.51 ms | 403 KiB | 5 Q