Snippets repository for WordPress developpers

// into functions.php
<?php
function sp_enable_svg_upload( $mimes ) {
  //For security reasons only admin can uplaod svg files
  if ( !current_user_can( 'administrator' ) ) {
    return $mimes;
  }
  $mimes['svg']  = 'image/svg+xml';
  $mimes['svgz'] = 'image/svg+xml';
  return $mimes;
}
add_filter('upload_mimes', 'sp_enable_svg_upload');
?>

Or use Daryll Doyle Safe SVG plugin.

// into functions.php
//Change the default excerpt length in WordPress from 55 to 25 words
function sp_change_excerpt_length( $length ) {
  return 25;
}
add_filter( 'excerpt_length', 'sp_change_excerpt_length', 9999);

// into functions.php
// Will change 'Continue reading' to 'Read more'
function sp_change_more_text( $more ){
  global $post;
  return '… <a class="read-more" href="'.get_permalink($post->ID).'" title="'.esc_attr(get_the_title($post->ID)).'">'.'Read more »'.'</a>';
}
add_filter('excerpt_more', 'sp_changet_more_text');

// into functions.php
<?php
function hide_admin_bar( ){ 
  return false; 
}
add_filter( 'show_admin_bar', 'hide_admin_bar' );
?>

Alternative (and easier) way : from dashboard > Users > Profile > uncheck Toolbar

// into any page or template
<?php
if ( function_exists('yoast_breadcrumb') ) {
  yoast_breadcrumb( '<p id="breadcrumbs">','</p>' );
}

// into functions.php
add_theme_support( 'disable-custom-colors' );

// into functions.php
add_theme_support( 'editor-color-palette', array(
  array(
    'name'  => __( 'Color prime', 'snippress' ),
    'slug'  => 'color-prime',
    'color' => '#535353',
  ),
  array(
    'name'  => __( 'Color second', 'snippress' ),
    'slug'  => 'color-second',
    'color'	=> '#2a3f89',
  ),
  array(			
    'name'  => __( 'Color accent', 'snippress' ),
    'slug'  => 'color-accent',
    'color' => '#EF1851',
  ),
) );
}

// into functions.php
add_theme_support( 'editor-font-sizes', array(
  array(
    'name'      => __( 'Small', 'snippress' ),
    'shortName' => __( 'S', 'snippress' ),
    'size'      => 12,
    'slug'      => 'small'
  ),
  array(
    'name'      => __( 'Normal', 'snippress' ),
    'shortName' => __( 'M', 'snippress' ),
    'size'      => 16,
    'slug'      => 'normal'
  ),
  array(
    'name'      => __( 'Large', 'snippress' ),
    'shortName' => __( 'L', 'snippress' ),
    'size'      => 24,
    'slug'      => 'large'
  ),
) );

// into functions.php
add_theme_support( 'editor-styles' );
add_editor_style( 'assets/css/main-editor.min.css' );

// functions.php
function sp_add_slug_body_class( $classes ) {
  global $post;
  if ( isset( $post ) ) {
    $classes[] = $post->post_type . '-' . $post->post_name;
  }
  return $classes;
}
add_filter( 'body_class', 'sp_add_slug_body_class' );;