imagesx

(PHP 4, PHP 5, PHP 7, PHP 8)

imagesxGet image width

Description

imagesx(GdImage $image): int

Returns the width of the given image object.

Parameters

image

A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().

Return Values

Return the width of the image.

Changelog

Version Description
8.0.0 image expects a GdImage instance now; previously, a valid gd resource was expected.

Examples

Example #1 Using imagesx()

<?php

// create a 300*200 image
$img = imagecreatetruecolor(300, 200);

echo
imagesx($img); // 300

?>

See Also

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User Contributed Notes 1 note

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6
leonardo AT saochico DOT com
21 years ago
This function convert image size of Pixel to Centimeter<?#$imagem - source of image#$dpi - resolution to convert E.g.: 72dpi or 300dpifunction px2cm($image, $dpi) {    #Create a new image from file or URL    $img = ImageCreateFromJpeg($image);    #Get image width / height    $x = ImageSX($img);    $y = ImageSY($img);        #Convert to centimeter    $h = $x * 2.54 / $dpi;    $l = $y * 2.54 / $dpi;        #Format a number with grouped thousands    $h = number_format($h, 2, ',', ' ');    $l = number_format($l, 2, ',', ' ');        #add size unit    $px2cm[] = $h."cm";    $px2cm[] = $l."cm";        #return array w values    #$px2cm[0] = X    #$px2cm[1] = Y        return $px2cm;}$image = "C:\\inetpub\\wwwroot\\lab\\trata_img\\l0gik.jpg";$dpi = 300;$result = px2cm($image, $dpi);print ($result[0]." x ".$result[1]);?>
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