Performance overhead for PHP string concatenation?
42952
Performance of variable expansion vs. sprintf in PHP
158495
do-while is the fastest loop in php?
129749
How slow is Python's string concatenation vs. str.join?
62106
How to join strings in PHP?
112818
Is StringBuilder really faster than Aggreggate?
153616
Efficient way to look up value based on a key in php
67610
Fastest way to convert string to integer in PHP
158136
python string join performance
68711
C optimisation of string literals
16976
Should I normalize my string arrays, or just keep it a simple string?
68344
Concatenating strings, unevaluated expressions and evaluated expressions/values
50101
Performance of try-catch in php
37874
Most efficient way to concatenate strings?
141433
What is the best method to merge two PHP objects?
35697
Performance of Arrays vs. Lists
35352
PHP - concatenate or directly insert variables in string
107292
Why to use StringBuffer in Java instead of the string concatenation operator