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)
8.5.00.0160.01020.03
8.4.150.0020.00014.05
8.4.140.0140.00717.70
8.4.130.0130.00718.45
8.4.120.0090.01019.66
8.4.110.0110.01017.68
8.4.100.0160.00517.79
8.4.90.0170.00320.38
8.4.80.0130.00718.96
8.4.70.0100.00919.18
8.4.60.0160.00818.75
8.4.50.0140.00618.66
8.4.40.0030.00619.54
8.4.30.0120.00820.65
8.4.20.0130.00720.82
8.4.10.0100.00019.53
8.3.280.0080.00418.48
8.3.270.0170.00716.75
8.3.260.0080.00616.65
8.3.250.0070.00916.69
8.3.240.0100.00916.93
8.3.230.0130.00616.93
8.3.220.0110.00718.95
8.3.210.0140.00816.57
8.3.200.0050.00416.86
8.3.190.0080.00617.14
8.3.180.0110.00918.96
8.3.170.0070.01018.84
8.3.160.0100.00718.49
8.3.150.0150.00419.03
8.3.140.0040.00419.02
8.3.130.0040.00418.41
8.3.120.0080.00018.79
8.3.110.0040.00418.56
8.3.100.0100.00024.06
8.3.90.0080.00026.77
8.3.80.0060.00318.68
8.3.70.0040.01116.38
8.3.60.0100.01018.43
8.3.50.0090.00317.43
8.3.40.0090.00618.59
8.3.30.0040.01118.67
8.3.20.0040.00420.76
8.3.10.0070.00023.46
8.3.00.0080.00020.70
8.2.290.0100.00616.48
8.2.280.0100.01020.17
8.2.270.0160.00316.91
8.2.260.0150.00417.13
8.2.250.0090.00016.52
8.2.240.0090.00618.79
8.2.230.0030.00620.94
8.2.220.0050.00537.54
8.2.210.0100.01026.77
8.2.200.0030.00618.54
8.2.190.0070.00716.63
8.2.180.0170.00318.55
8.2.170.0140.00322.96
8.2.160.0090.00620.32
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00420.94
8.2.110.0060.00321.02
8.2.100.0110.00017.84
8.2.90.0040.00817.88
8.2.80.0050.00317.97
8.2.70.0000.00817.79
8.2.60.0050.00318.02
8.2.50.0040.00418.10
8.2.40.0070.00019.30
8.2.30.0000.00819.21
8.2.20.0040.00418.14
8.2.10.0060.00319.23
8.2.00.0040.00418.08
8.1.330.0090.00716.41
8.1.320.0080.01217.83
8.1.310.0050.00316.55
8.1.300.0110.00817.92
8.1.290.0060.00330.84
8.1.280.0160.00025.92
8.1.270.0050.00320.27
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0030.00622.38
8.1.230.0060.00519.04
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0080.00417.36
8.1.190.0080.00017.10
8.1.180.0000.00818.10
8.1.170.0000.00818.65
8.1.160.0070.00018.97
8.1.150.0050.00218.87
8.1.140.0030.00519.02
8.1.130.0070.00020.29
8.1.120.0030.00417.45
8.1.110.0040.00417.49
8.1.100.0070.00017.43
8.1.90.0000.00717.50
8.1.80.0000.00717.51
8.1.70.0040.00417.45
8.1.60.0040.00417.61
8.1.50.0040.00417.53
8.1.40.0040.00417.44
8.1.30.0000.00817.67
8.1.20.0030.00617.66
8.1.10.0080.00017.55
8.1.00.0050.00217.35
8.0.300.0040.00421.42
8.0.290.0100.00016.75
8.0.280.0040.00418.38
8.0.270.0030.00317.33
8.0.260.0030.00318.39
8.0.250.0030.00316.91
8.0.240.0000.00617.03
8.0.230.0030.00317.00
8.0.220.0030.00517.00
8.0.210.0000.00716.91
8.0.200.0000.00617.07
8.0.190.0030.00517.10
8.0.180.0040.00417.06
8.0.170.0030.00617.00
8.0.160.0040.00416.96
8.0.150.0000.00716.90
8.0.140.0080.00016.83
8.0.130.0030.00313.43
8.0.120.0020.00516.94
8.0.110.0000.00716.79
8.0.100.0000.00716.92
8.0.90.0070.00017.04
8.0.80.0040.01116.85
8.0.70.0070.00016.86
8.0.60.0050.00217.02
8.0.50.0030.00316.82
8.0.30.0090.00717.13
8.0.20.0120.00617.17
8.0.10.0040.00417.04
8.0.00.0110.01116.84
7.4.330.0020.00216.79
7.4.320.0030.00316.61
7.4.300.0050.00316.63
7.4.290.0030.00316.61
7.4.280.0030.00616.64
7.4.270.0070.00016.52
7.4.260.0000.00716.59
7.4.250.0070.00016.41
7.4.240.0030.00316.62
7.4.230.0080.00016.72
7.4.220.0080.00016.55
7.4.210.0050.01016.63
7.4.200.0000.00716.41
7.4.160.0120.00516.58
7.4.130.0150.00316.57
7.4.120.0150.00716.59
7.4.110.0060.00916.61
7.4.100.0120.00516.59
7.4.90.0090.00916.51
7.4.80.0100.00719.39
7.4.70.0090.00916.68
7.4.60.0080.00816.54
7.4.50.0040.01116.64
7.4.40.0120.00616.39
7.4.00.0030.01014.92
7.3.330.0000.00513.29
7.3.320.0060.00013.14
7.3.310.0050.00216.27
7.3.300.0040.00416.41
7.3.290.0030.00316.45
7.3.280.0070.00816.39
7.3.260.0120.00916.43
7.3.240.0110.00616.49
7.3.230.0060.01116.54
7.3.210.0030.01516.32
7.3.200.0100.00716.54
7.3.190.0140.00916.40
7.3.180.0050.01016.64
7.3.170.0060.00916.54
7.3.160.0120.00616.61
7.3.40.0090.00714.73
7.3.30.0050.00714.76
7.3.20.0020.01016.66
7.3.10.0040.01016.58
7.3.00.0070.00816.73
7.2.330.0060.01216.79
7.2.320.0030.01216.76
7.2.310.0140.00316.66
7.2.300.0070.01016.66
7.2.290.0130.00616.71
7.2.170.0120.00614.91
7.2.160.0100.00714.85
7.2.150.0080.00516.78
7.2.140.0070.00616.78
7.2.130.0080.01116.82
7.2.120.0030.01216.80
7.2.110.0100.00616.90
7.2.100.0100.00516.72
7.2.90.0140.00616.85
7.2.80.0120.00416.73
7.2.70.0080.00516.92
7.2.60.0080.00416.86
7.2.50.0110.00016.76
7.2.40.0050.00716.86
7.2.30.0100.00216.91
7.2.20.0100.00116.94
7.2.10.0050.00716.87
7.2.00.0040.01216.92
7.1.280.0070.00315.60
7.1.270.0060.00715.66
7.1.260.0100.00615.55
7.1.250.0100.00815.55

preferences:
165.11 ms | 403 KiB | 5 Q