Initial upload

Author: LasseRafn

composer.json

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+{
+	"name": "lasserafn/php-initial-avatar-generator",
+	"description": "A package to generate avatars with initials for PHP",
+	"type": "library",
+	"license": "MIT",
+	"authors": [
+		{
+			"name": "Lasse Rafn",
+			"email": "[email protected]"
+		}
+	],
+	"require": {
+		"intervention/image": "^2.3"
+	}
+}

composer.lock

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+<?php namespace LasseRafn\InitialAvatarGenerator;
+
+use Intervention\Image\Image;
+
+class InitialAvatar
+{
+	/** @var Image */
+	private $image;
+
+	public function __construct()
+	{
+		$this->image = new Image();
+	}
+
+	/**
+	 * @param        $nameOrInitials
+	 * @param string $bgColor
+	 * @param string $fontColor
+	 * @param int    $size
+	 * @param string $font
+	 *
+	 * @return Image
+	 */
+	public function generate( $nameOrInitials, $bgColor = '#000', $fontColor = '#fff', $size = 48, $font = 'OpenSans-Regular' )
+	{
+		$img = $this->image->canvas( $size, $size, $bgColor );
+
+		$img->text( $this->generateInitials( $nameOrInitials ), 0, 0, function ( $font ) use ( $fontColor, $size, $font )
+		{
+			$font->file( "fonts/{$font}.ttf" );
+			$font->size( $size * 0.75 );
+			$font->color( $fontColor );
+			$font->align( 'center' );
+			$font->valign( 'center' );
+		} );
+
+		return $img;
+	}
+
+	/**
+	 * Generate a two-letter initial from a name,
+	 * and if no name, assume its already initials.
+	 * For safety, we limit it to two characters,
+	 * in case its a single, but long, name.
+	 *
+	 * @param string $nameOrInitials
+	 *
+	 * @return string
+	 */
+	private function generateInitials( $nameOrInitials = 'John Doe' )
+	{
+		$nameOrInitials = strtoupper( trim( $nameOrInitials ) );
+
+		$names = explode( $nameOrInitials, ' ' );
+		if ( count( $names ) > 1 )
+		{
+			$firstNameLetter = substr( $names[0], 0, 1 );
+			$lastNameLetter  = substr( $names[ count( $names ) - 1 ], 0, 1 );
+
+			$nameOrInitials = "{$firstNameLetter}{$lastNameLetter}";
+		}
+
+		$nameOrInitials = substr( $nameOrInitials, 0, 2 );
+
+		return $nameOrInitials;
+	}
+}