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authorZachary Ferguson <zfergus2@users.noreply.github.com>2015-10-06 18:19:20 -0400
committerZachary Ferguson <zfergus2@users.noreply.github.com>2015-10-06 18:19:20 -0400
commitc4f93c0b0ec1fcea11e336b67929b9d6f426765c (patch)
treea97e9f7a56330e45122bb81bb5194f2aefe03fdb /php.html.markdown
parent29cbff176857653422555650c983afef4a28ae1f (diff)
parent55c80f255202b03c4c3a66ac1d37f880a3782b68 (diff)
Merge remote-tracking branch 'adambard/master'
Conflicts: java.html.markdown
Diffstat (limited to 'php.html.markdown')
-rw-r--r--php.html.markdown22
1 files changed, 21 insertions, 1 deletions
diff --git a/php.html.markdown b/php.html.markdown
index 3fcce264..93066284 100644
--- a/php.html.markdown
+++ b/php.html.markdown
@@ -215,6 +215,14 @@ assert($a !== $d);
assert(1 === '1');
assert(1 !== '1');
+// spaceship operator since PHP 7
+$a = 100;
+$b = 1000;
+
+echo $a <=> $a; // 0 since they are equal
+echo $a <=> $b; // -1 since $a < $b
+echo $b <=> $a; // 1 since $b > $a
+
// Variables can be converted between types, depending on their usage.
$integer = 1;
@@ -264,6 +272,18 @@ if (false) {
// ternary operator
print (false ? 'Does not get printed' : 'Does');
+// ternary shortcut operator since PHP 5.3
+// equivalent of "$x ? $x : 'Does'""
+$x = false;
+print($x ?: 'Does');
+
+// null coalesce operator since php 7
+$a = null;
+$b = 'Does print';
+echo $a ?? 'a is not set'; // prints 'a is not set'
+echo $b ?? 'b is not set'; // prints 'Does print'
+
+
$x = 0;
if ($x === '0') {
print 'Does not print';
@@ -689,4 +709,4 @@ If you're coming from a language with good package management, check out
[Composer](http://getcomposer.org/).
For common standards, visit the PHP Framework Interoperability Group's
-[PSR standards](https://github.com/php-fig/fig-standards).
+[PSR standards](https://github.com/php-fig/fig-standards). \ No newline at end of file