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<?php declare(strict_types=0); var_dump("" == 0); var_dump("foo" == 0); var_dump("1foo" == 1); var_dump(" 1" == 1); var_dump("0001" == 1); var_dump(" 1 " == 1); var_dump("foo1" == 1);
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) bool(false) bool(false) bool(true) bool(true) bool(true) bool(false)

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