PHP: Basic String Operations
Join Strings
Strings can be joined by the period .
.
<?php // use period to join string echo "Once " . "upon a time"; ?>
Length
<?php $aa = "abc"; echo strlen($aa); # 3 ?>
Substring
substr( $myStr, $startIndex, $length)
String index starts at 0.
<?php $a = "abcde time"; echo substr($a,0,4); # abcd ?>