PHP - String Position - strpos

$numberedString = "1234567890"; // 10 numbers from 1 to 0

$fivePos = strpos($numberedString, "5");
echo "The position of 5 in our string was $fivePos";

PHP str_replace Function

//string that needs to be customized
$rawstring = "Welcome Birmingham parents. Your replaceme is a pleasure to have!";

//male string
$malestr = str_replace("replaceme", "son", $rawstring);

//female string
$femalestr = str_replace("replaceme", "daughter", $rawstring);

echo "Son: ". $malestr . "<br />";
echo "Daughter: ". $femalestr;

PHP substr_replace Function

//string that needs to be customized
$original = "ABC123 Hello Mr. Cow! DEF321";

//starting point 5
$sp5 = substr_replace($original, "Five", 5);
//starting point 12
$sp12 = substr_replace($original, "Twelve", 12);
//starting point 0
$sp0 = substr_replace($original, "Zero", 0);
//starting point -1
$spneg1 = substr_replace($original, "Negative 1", -1);

//Echo each string
echo "Original String: $original <br />";
echo "Starting Point 5: $sp5 <br />";
echo "Starting Point 12: $sp12 <br />";
echo "Starting Point 0: $sp0 <br />";
echo "Starting Point -1: $spneg1 ";

PHP - String Capitalization Functions

$originalString = "String Capitalization 1234"; 

$upperCase = strtoupper($originalString);
echo "Old string - $originalString <br />";
echo "New String - $upperCase";

PHP - String Explode

$rawPhoneNumber = "800-555-5555"; 

$phoneChunks = explode("-", $rawPhoneNumber);
echo "Raw Phone Number = $rawPhoneNumber <br />";
echo "First chunk = $phoneChunks[0]<br />";
echo "Second chunk = $phoneChunks[1]<br />";
echo "Third Chunk chunk = $phoneChunks[2]";

PHP - Array implode

$pieces = array("Hello", "World,", "I", "am", "Here!");

$gluedTogetherSpaces = implode(" ", $pieces);
$gluedTogetherDashes = implode("-", $pieces);
for($i = 0; $i < count($pieces); $i++){
	echo "Piece #$i = $pieces[$i] <br />";
}
echo "Glued with Spaces = $gluedTogetherSpaces <br />";
echo "Glued with Dashes = $gluedTogetherDashes";

Piece #0 = Hello
Piece #1 = World,
Piece #2 = I
Piece #3 = am
Piece #4 = Here!
Glued with Spaces = Hello World, I am Here!
Glued with Dashes = Hello-World,-I-am-Here!