init

lib/PhpSpreadsheet/Helper/Size.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Helper;
+
+use Stringable;
+
+class Size implements Stringable
+{
+    const REGEXP_SIZE_VALIDATION = '/^(?P<size>\d*\.?\d+)(?P<unit>pt|px|em)?$/i';
+
+    protected bool $valid;
+
+    protected string $size = '';
+
+    protected string $unit = '';
+
+    public function __construct(string $size)
+    {
+        $this->valid = (bool) preg_match(self::REGEXP_SIZE_VALIDATION, $size, $matches);
+        if ($this->valid) {
+            $this->size = $matches['size'];
+            $this->unit = $matches['unit'] ?? 'pt';
+        }
+    }
+
+    public function valid(): bool
+    {
+        return $this->valid;
+    }
+
+    public function size(): string
+    {
+        return $this->size;
+    }
+
+    public function unit(): string
+    {
+        return $this->unit;
+    }
+
+    public function __toString(): string
+    {
+        return $this->size . $this->unit;
+    }
+}