3v4l.org

run code in 300+ PHP versions simultaneously
<?php function maybe_unserialize( $original ) { if ( is_serialized( $original ) ) return @unserialize( $original ); return $original; } function is_serialized( $data, $strict = true ) { // if it isn't a string, it isn't serialized if ( ! is_string( $data ) ) return false; $data = trim( $data ); if ( 'N;' == $data ) return true; $length = strlen( $data ); if ( $length < 4 ) return false; if ( ':' !== $data[1] ) return false; if ( $strict ) { $lastc = $data[ $length - 1 ]; if ( ';' !== $lastc && '}' !== $lastc ) return false; } else { $semicolon = strpos( $data, ';' ); $brace = strpos( $data, '}' ); // Either ; or } must exist. if ( false === $semicolon && false === $brace ) return false; // But neither must be in the first X characters. if ( false !== $semicolon && $semicolon < 3 ) return false; if ( false !== $brace && $brace < 4 ) return false; } $token = $data[0]; switch ( $token ) { case 's' : if ( $strict ) { if ( '"' !== $data[ $length - 2 ] ) return false; } elseif ( false === strpos( $data, '"' ) ) { return false; } // or else fall through case 'a' : case 'O' : return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data ); case 'b' : case 'i' : case 'd' : $end = $strict ? '$' : ''; return (bool) preg_match( "/^{$token}:[0-9.E-]+;$end/", $data ); } return false; } function maybe_serialize( $data ) { if ( is_array( $data ) || is_object( $data ) ) return serialize( $data ); // Double serialization is required for backward compatibility. // See http://core.trac.wordpress.org/ticket/12930 if ( is_serialized( $data, false ) ) return serialize( $data ); return $data; } $a = "s:4:\"ryat\";\0"; var_dump(unserialize($a));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0070.00718.30
8.3.50.0050.01321.14
8.3.40.0120.00318.54
8.3.30.0090.00618.72
8.3.20.0040.00420.16
8.3.10.0080.00022.12
8.3.00.0040.00422.45
8.2.180.0120.00316.63
8.2.170.0120.00322.96
8.2.160.0080.00619.27
8.2.150.0000.00824.18
8.2.140.0150.00024.66
8.2.130.0040.00426.16
8.2.120.0090.00019.05
8.2.110.0060.00320.11
8.2.100.0090.00317.54
8.2.90.0040.00419.27
8.2.80.0000.00817.97
8.2.70.0030.00717.50
8.2.60.0050.00517.91
8.2.50.0040.00418.10
8.2.40.0000.01020.34
8.2.30.0070.00019.14
8.2.20.0000.00817.49
8.2.10.0040.00417.68
8.2.00.0070.00017.54
8.1.280.0030.01325.92
8.1.270.0080.00022.05
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00623.77
8.1.230.0060.00617.77
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0090.00018.50
8.1.160.0030.00518.72
8.1.150.0040.00420.08
8.1.140.0050.00217.40
8.1.130.0050.00217.70
8.1.120.0040.00417.35
8.1.110.0040.00417.32
8.1.100.0040.00417.30
8.1.90.0040.00417.38
8.1.80.0040.00417.32
8.1.70.0000.00717.39
8.1.60.0000.00817.55
8.1.50.0060.00317.43
8.1.40.0050.00317.49
8.1.30.0000.00717.46
8.1.20.0040.00417.50
8.1.10.0040.00417.45
8.1.00.0050.00217.38
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0000.00718.45
8.0.270.0030.00317.12
8.0.260.0000.00616.81
8.0.250.0000.00716.95
8.0.240.0000.00916.80
8.0.230.0000.00716.91
8.0.220.0050.00216.89
8.0.210.0040.00416.73
8.0.200.0070.00016.79
8.0.190.0070.00016.96
8.0.180.0040.00416.85
8.0.170.0040.00416.76
8.0.160.0070.00016.80
8.0.150.0000.00716.82
8.0.140.0000.00816.84
8.0.130.0000.00613.32
8.0.120.0050.00316.80
8.0.110.0050.00216.83
8.0.100.0000.00716.80
8.0.90.0000.00816.71
8.0.80.0070.01016.88
8.0.70.0040.00416.76
8.0.60.0080.00016.91
8.0.50.0000.00816.73
8.0.30.0090.00916.99
8.0.20.0070.01217.40
8.0.10.0050.00216.98
8.0.00.0130.00516.71
7.4.330.0020.00215.09
7.4.320.0000.00716.59
7.4.300.0080.00016.48
7.4.290.0080.00016.54
7.4.280.0040.00416.55
7.4.270.0070.00016.37
7.4.260.0000.00816.45
7.4.250.0000.00816.48
7.4.240.0020.00516.41
7.4.230.0070.00016.64
7.4.220.0130.01316.50
7.4.210.0120.00516.57
7.4.200.0000.00716.56
7.4.190.0050.00316.69
7.4.160.0090.00616.25
7.4.150.0130.00617.40
7.4.140.0140.00817.86
7.4.130.0120.00916.37
7.4.120.0090.01116.41
7.4.110.0100.00716.58
7.4.100.0100.01316.52
7.4.90.0120.00916.36
7.4.80.0120.01119.39
7.4.70.0130.00616.52
7.4.60.0080.00916.35
7.4.50.0000.00816.39
7.4.40.0000.01022.77
7.4.30.0080.00816.34
7.4.00.0100.00714.89
7.3.330.0030.00313.18
7.3.320.0000.00513.23
7.3.310.0000.00716.24
7.3.300.0030.00316.14
7.3.290.0110.00316.29
7.3.280.0100.00716.23
7.3.270.0080.00817.40
7.3.260.0070.01716.23
7.3.250.0080.00916.38
7.3.240.0100.01016.27
7.3.230.0060.01616.39
7.3.210.0140.00516.40
7.3.200.0120.00619.39
7.3.190.0060.01216.36
7.3.180.0100.00616.28
7.3.170.0060.01116.27
7.3.160.0130.00316.50
7.3.120.0040.01114.68
7.2.330.0050.01416.32
7.2.320.0190.00416.53
7.2.310.0110.00616.41
7.2.300.0110.00516.32
7.2.290.0130.00616.56
7.2.00.0070.00719.14
7.1.100.0060.01018.08
7.1.70.0000.00717.16
7.1.60.0130.01019.82
7.1.50.0150.00316.89
7.1.00.0030.07022.43
7.0.200.0040.00416.81
7.0.140.0030.07722.00
7.0.100.0200.07320.02
7.0.90.0100.06719.94
7.0.80.0130.07319.95
7.0.70.0170.07319.96
7.0.60.0170.06020.02
7.0.50.0170.04020.41
7.0.40.0100.05320.10
7.0.30.0130.07020.15
7.0.20.0100.08320.13
7.0.10.0030.07020.10
7.0.00.0070.07720.17
5.6.250.0130.08020.51
5.6.240.0030.09020.71
5.6.230.0070.08320.70
5.6.220.0170.06720.59
5.6.210.0000.06320.69
5.6.200.0070.08021.04
5.6.190.0130.07021.06
5.6.180.0100.07320.96
5.6.170.0000.09321.04
5.6.160.0100.07721.13
5.6.150.0070.08021.10
5.6.140.0100.08021.09
5.6.130.0130.07321.05
5.6.120.0170.05021.06
5.6.110.0070.08321.06
5.6.100.0030.08320.96
5.6.90.0000.07321.09
5.6.80.0130.07020.51
5.6.70.0070.08020.54
5.6.60.0100.07320.45
5.6.50.0000.08720.36
5.6.40.0070.07020.41
5.6.30.0070.07720.55
5.6.20.0070.07720.47
5.6.10.0070.07020.45
5.6.00.0100.07320.38
5.5.380.0000.08720.44
5.5.370.0070.05720.37
5.5.360.0100.08320.39
5.5.350.0070.08020.49
5.5.340.0070.08320.75
5.5.330.0130.07020.82
5.5.320.0100.08320.80
5.5.310.0070.08020.94
5.5.300.0070.07720.82
5.5.290.0030.05320.89
5.5.280.0030.08320.94
5.5.270.0170.06720.88
5.5.260.0070.08020.93
5.5.250.0030.08020.71
5.5.240.0030.05020.33
5.5.230.0130.05320.23
5.5.220.0070.07720.16
5.5.210.0100.07720.23
5.5.200.0030.05320.00
5.5.190.0070.08320.30
5.5.180.0070.07320.23
5.5.160.0100.07320.28
5.5.150.0130.07720.26
5.5.140.0070.08020.29
5.5.130.0200.06720.17
5.5.120.0100.07020.28
5.5.110.0070.07720.14
5.5.100.0130.07320.09
5.5.90.0100.07720.19
5.5.80.0030.08020.12
5.5.70.0030.08320.09
5.5.60.0130.06020.11
5.5.50.0170.07319.98
5.5.40.0000.06020.10
5.5.30.0100.06320.17
5.5.20.0130.03720.16
5.5.10.0130.07720.06
5.5.00.0100.07020.15
5.4.450.0070.07719.57
5.4.440.0100.06019.50
5.4.430.0030.04319.20
5.4.420.0000.08019.22
5.4.410.0170.05019.25
5.4.400.0030.05019.11
5.4.390.0100.07719.03
5.4.380.0070.07719.13
5.4.370.0070.08019.07
5.4.360.0170.06319.13
5.4.350.0030.07719.05
5.4.340.0170.06319.21
5.4.320.0030.07719.24
5.4.310.0130.07019.23
5.4.300.0100.07319.03
5.4.290.0070.07319.03
5.4.280.0030.08019.14
5.4.270.0130.06719.05
5.4.260.0100.07019.14
5.4.250.0000.08019.06
5.4.240.0070.07318.94
5.4.230.0070.07719.02
5.4.220.0100.07019.02
5.4.210.0130.06718.84
5.4.200.0070.07319.23
5.4.190.0070.07019.02
5.4.180.0070.08019.03
5.4.170.0070.08018.87
5.4.160.0100.08019.13
5.4.150.0070.08318.89
5.4.140.0100.06316.47
5.4.130.0200.05316.50
5.4.120.0070.06316.24
5.4.110.0000.07716.39
5.4.100.0030.07716.42
5.4.90.0100.07016.42
5.4.80.0130.06316.52
5.4.70.0070.05016.39
5.4.60.0070.04016.43
5.4.50.0130.06716.34
5.4.40.0030.07316.30
5.4.30.0070.07316.34
5.4.20.0100.06716.48
5.4.10.0130.06016.46
5.4.00.0070.07015.71
5.3.290.0130.06314.79
5.3.280.0070.07714.60
5.3.270.0100.06714.77
5.3.260.0030.08014.57
5.3.250.0130.05314.59
5.3.240.0070.07714.70
5.3.230.0070.07714.69
5.3.220.0070.07314.60
5.3.210.0100.06714.54
5.3.200.0070.07714.70
5.3.190.0030.08014.58
5.3.180.0000.07714.70
5.3.170.0100.07714.57
5.3.160.0000.08714.52
5.3.150.0070.07714.66
5.3.140.0000.05714.56
5.3.130.0100.05714.59
5.3.120.0030.08314.60
5.3.110.0130.05714.53
5.3.100.0070.07314.01
5.3.90.0030.08014.03
5.3.80.0170.04313.96
5.3.70.0130.06714.07
5.3.60.0030.06714.13
5.3.50.0000.06014.04
5.3.40.0100.07014.10
5.3.30.0070.07313.99
5.3.20.0000.04713.82
5.3.10.0030.07013.79
5.3.00.0100.06713.76
5.2.170.0000.06711.09
5.2.160.0100.05711.11
5.2.150.0170.04711.21
5.2.140.0070.04011.27
5.2.130.0070.06011.05
5.2.120.0100.02011.12
5.2.110.0070.03711.23
5.2.100.0000.06711.04
5.2.90.0070.06011.23
5.2.80.0000.06711.04
5.2.70.0070.05711.12
5.2.60.0030.06311.08
5.2.50.0070.05711.18
5.2.40.0100.05711.15
5.2.30.0100.05011.05
5.2.20.0030.06011.13
5.2.10.0070.06011.03
5.2.00.0070.05010.61
5.1.60.0030.0509.91
5.1.50.0130.03310.03
5.1.40.0030.05010.13
5.1.30.0000.05710.23
5.1.20.0070.05010.39
5.1.10.0000.05010.18
5.1.00.0030.05010.21
5.0.50.0000.0438.69
5.0.40.0030.0408.56
5.0.30.0070.0578.10
5.0.20.0100.0378.23
5.0.10.0030.0408.18
5.0.00.0000.0678.29
4.4.90.0000.0377.97
4.4.80.0030.0337.97
4.4.70.0030.0377.97
4.4.60.0000.0377.97
4.4.50.0030.0337.97
4.4.40.0070.0537.97
4.4.30.0070.0337.97
4.4.20.0030.0337.97
4.4.10.0100.0277.97
4.4.00.0030.0537.97
4.3.110.0000.0237.97
4.3.100.0000.0377.97
4.3.90.0030.0337.97
4.3.80.0030.0507.97
4.3.70.0000.0377.97
4.3.60.0000.0377.97
4.3.50.0030.0337.97
4.3.40.0000.0537.97
4.3.30.0030.0237.97
4.3.20.0000.0377.97
4.3.10.0000.0377.97
4.3.00.0000.0377.97

preferences:
45.76 ms | 401 KiB | 5 Q