implode the array to string with space in between php code example

Example 1: php string replace space

$journalName = preg_replace('/\s+/', '_', $journalName);

Example 2: php insert hyphen into spaces in string

$test = "jjfnj 948";
$test = str_replace(" ", "", $test);  // strip all spaces from string
echo substr($test, 0, 3)."-".substr($test, 3);  // isolate first three chars, add hyphen, and concat all characters after the first three

Example 3: php glue strings

<?php
$a = "Hello ";
$b = $a . "World!"; // now $b contains "Hello World!"

$a = "Hello ";
$a .= "World!";     // now $a contains "Hello World!"
?>

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Php Example