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functions.expect.txt
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functions.expect.txt
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<span class="hljs-comment">/**
* Arrow functions
*/</span>
<span class="hljs-variable">$fn1</span> = <span class="hljs-function"><span class="hljs-keyword">fn</span>(<span class="hljs-params"><span class="hljs-variable">$x</span></span>) =></span> <span class="hljs-variable">$x</span> + <span class="hljs-variable">$y</span>;
<span class="hljs-variable">$fn2</span> = <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"><span class="hljs-variable">$x</span></span>) <span class="hljs-keyword">use</span> (<span class="hljs-params"><span class="hljs-variable">$y</span></span>) </span>{
<span class="hljs-keyword">return</span> <span class="hljs-variable">$x</span> + <span class="hljs-variable">$y</span>;
};
<span class="hljs-comment">/**
* Function invoke
*/</span>
<span class="hljs-variable">$date</span> = <span class="hljs-keyword">new</span> <span class="hljs-title class_">DateTimeImmutable</span> ();
<span class="hljs-variable">$date</span>-><span class="hljs-title function_ invoke__">format</span>(<span class="hljs-string">'Y-m-d'</span>);
<span class="hljs-title class_">DateTimeImmutable</span>::<span class="hljs-title function_ invoke__">createFromMutable</span>(<span class="hljs-keyword">new</span> <span class="hljs-title class_">\DateTime</span>(<span class="hljs-string">'now'</span>));
<span class="hljs-title function_ invoke__">str_contains</span> (\<span class="hljs-title function_ invoke__">strtoupper</span>(<span class="hljs-title function_ invoke__">substr</span>(<span class="hljs-string">'abcdef'</span>, -<span class="hljs-number">2</span>), <span class="hljs-string">'f'</span>));
<span class="hljs-comment">/**
* Function declaration
*/</span>
<span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">testMe</span>(<span class="hljs-params"><span class="hljs-keyword">string</span>|<span class="hljs-keyword">int</span> <span class="hljs-variable">$name</span></span>): <span class="hljs-title">int</span>
</span>{
<span class="hljs-keyword">if</span> (<span class="hljs-keyword">empty</span>(<span class="hljs-variable">$name</span>)) {
<span class="hljs-keyword">return</span> <span class="hljs-number">0</span>;
} <span class="hljs-keyword">elseif</span> (<span class="hljs-variable">$name</span> === <span class="hljs-number">1</span>) {
<span class="hljs-keyword">return</span> (<span class="hljs-keyword">int</span>) <span class="hljs-variable">$name</span>;
}
<span class="hljs-keyword">switch</span>(<span class="hljs-variable">$name</span>) {
<span class="hljs-keyword">case</span> <span class="hljs-string">'2'</span>:
<span class="hljs-keyword">return</span> <span class="hljs-number">2</span>;
<span class="hljs-keyword">default</span>:
<span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> <span class="hljs-title class_">\Exception</span>(<span class="hljs-string">'error'</span>);
}
}
<span class="hljs-comment">/**
* First-class Callable Syntax
*/</span>
<span class="hljs-variable">$fun</span> = <span class="hljs-title function_ invoke__">mb_strlen</span>();
<span class="hljs-variable">$fun</span>();