PHP String handling functions

PHP String handling functions can help you to easily manipulate strings. In this article, we'll cover some of the most commonly used string handling functions in PHP.

PHP String handling functions

PHP String handling functions can help you to easily manipulate strings. In this article, we’ll cover some of the most commonly used string handling functions in PHP.

FUNCTION USE
addcslashes Adds backslashes in front of the specified characters.
addslashes Adds backslashes in front of some predefined characters.
bin2hex Converts binary data to the hexadecimal form.
chop Removes whitespace or other characters from the right end of a string.
chr Creates a character from a specified ASCII value.
chunk_split Split a string into smaller parts.
count_chars Returns information about characters used in a string.
crypt Used for one-way string hashing.
echo Outputs one or more strings.
explode Splits a string as an array.
fprintf Writes a formatted string to a specified output stream.
hex2bin Converts a hexadecimally encorded values to ASCII characters.
html_entity_decode Converts HTML entities to their corresponding character.
htmlentities Converts all characters to HTML entities.
htmlspecialchars_decode Convert special HTML entities back to characters.
htmlspecialchars Converts some predefined characters to HTML entities.
implode Creates a string from array elements.
join Alias of implode function.
lcfirst Makes the first character of a string lowercase.
ltrim Removes whitespace or other characters from the beginning of a string.
md5 Calculates the md5 hash of a string
nl2br Appends HTML line breaks before all newlines in a string.
number_format Formats a number with grouped thousands.
print Outputs a string.
printf Outputs a formatted string.
rtrim Removes whitespace or other characters from the end of a string.
sha1 Calculate the sha1 hash of a string.
similar_text Calculates the similarity between two strings.
sprintf Returns a formatted string.
sscanf Creates input from a string according to a format.
str_getcsv Converts a CSV string as an array.
str_ireplace Replaces some characters in a string. It is the case-insensitive version of str_replace.
str_pad Pads a string to a new length.
str_repeat Repeats a string for a specified number of times.
str_replace Replaces all the occurrences of a string. It is case-sensitive.
str_shuffle Shuffles all characters of a string.
str_split Splits a string into an array.
str_word_count Counts the number of words in a string.
strcasecmp Performs a case-insensitive string comparison.
strcmp Performs a case-sensitive string comparison.
strip_tags Removes HTML and PHP tags from a string
stripcslashes Un-quote string quoted with addcslashes function.
stripos Finds the position of the first occurrence of a case-insensitive substring in a string.
stripslashes Un-quotes a quoted string.
strlen Calculates the length of a string.
strnatcasecmp Performs a case-insensitive string comparison.
strpos Finds the position of the first occurrence of a case-sensitive substring in a string.
strrchr Find the last occurrence of a character in a string.
strrev Finds the reverse of a string.
strripos Finds the position of the last occurrence of a case-insensitive substring in a string.
strrpos Finds the position of the last occurrence of a case-sensitive substring in a string.
strstr Find the first occurrence of a string (Case-sensitive).
strtolower Converts a string to lowercase.
strtoupper Converts a string to uppercase .
strtr Translates certain characters or replace a substring from a string.
substr_count Finds the total numbers of occurrences of a substring.
substr_replace Replaces a part of a string (substring) with another.
substr Returns a substring.
trim Removes whitespace or other characters from the beginning and end of a string.
ucfirst Make the first character of a string uppercase.
ucwords Make the first character of each word in a string uppercase.
wordwrap Wraps a string to a given number of characters.
This article does not explain about all PHP string handling functions.

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