php-doc-en/reference/pthreads/thread/isstarted.xml

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<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="thread.isstarted" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>Thread::isStarted</refname>
<refpurpose>Tell if the referenced Thread has been started.</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>final</modifier> <modifier>public</modifier> <type>boolean</type><methodname>Thread::isStarted</methodname>
<void />
</methodsynopsis>
<para>
A Thread does not begin executing until a call to <function>Thread::start</function>.
A Thread cannot be started twice with a call to <function>Thread::start</function>.
The programmer should take care to avoid potential programming errors by calling state detection methods before attempting synchronization with another Thread.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
&no.function.parameters;
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
A boolean indication of state.
</para>
</refsect1>
</refentry>
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