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<?php var_dump( strip_tags('foo < herz'), strip_tags('foo<herz'), strip_tags('foo<herz>'), strip_tags('foo < herz > bar'), strip_tags('foo< ##myglue## herz>bar'), strip_tags('foo< ##myglue## herz>bar'), strip_tags("<p<p > {-8]Rootksmpology > {-5]CA394ME41GEWNGAMZ") );
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(10) "foo < herz" string(3) "foo" string(3) "foo" string(16) "foo < herz > bar" string(24) "foo< ##myglue## herz>bar" string(24) "foo< ##myglue## herz>bar" string(22) " {-5]CA394ME41GEWNGAMZ"
Output for 4.3.0 - 4.3.1
string(4) "foo " string(3) "foo" string(3) "foo" string(8) "foo bar" string(6) "foobar" string(6) "foobar" string(22) " {-5]CA394ME41GEWNGAMZ"

preferences:
214.32 ms | 402 KiB | 371 Q