3v4l.org

run code in 300+ PHP versions simultaneously
<?php $results = []; foreach ([ '', 'a', ] as $str) { $strx = var_export($str, true); foreach ([ 0, 5, ] as $num) { $results["$strx ?: $num"] = $str ?: $num; $results["$strx ?: $num ?: false"] = $str ?: $num; $results["($strx ?: $num) ?: false"] = $str ?: $num; $results["$strx ?: ($num ?: false)"] = $str ?: $num; $results["$strx ? ($num ?: false) : false"] = $str ? ($num ?: false) : false; $results["$strx ? $num ?: false : false"] = $str ? $num ?: false : false; } } foreach ($results as $formula => $result) { print var_export($result, true) . ' === ' . $formula . "\n"; }

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)
8.3.60.0070.01118.18
8.3.50.0040.01118.27
8.3.40.0090.00918.97
8.3.30.0040.01118.88
8.3.20.0000.00723.51
8.3.10.0040.00421.85
8.3.00.0040.00422.30
8.2.180.0150.00018.16
8.2.170.0120.00322.96
8.2.160.0140.00020.39
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0040.00721.13
8.2.100.0040.00818.03
8.2.90.0070.00317.94
8.2.80.0050.00318.05
8.2.70.0000.01017.93
8.2.60.0050.00318.07
8.2.50.0000.00818.10
8.2.40.0000.00821.02
8.2.30.0000.00719.41
8.2.20.0040.00418.20
8.2.10.0000.00719.29
8.2.00.0050.00219.31
8.1.280.0070.00725.92
8.1.270.0080.00022.27
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0080.00420.31
8.1.230.0000.01120.85
8.1.220.0040.00417.91
8.1.210.0060.00318.77
8.1.200.0060.00317.48
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0030.00620.78
8.1.160.0040.00418.89
8.1.150.0030.00518.87
8.1.140.0050.00320.80
8.1.130.0030.00320.20
8.1.120.0000.00717.37
8.1.110.0070.00017.45
8.1.100.0040.00417.43
8.1.90.0030.00617.37
8.1.80.0070.00017.46
8.1.70.0030.00317.34
8.1.60.0040.00417.63
8.1.50.0030.00617.57
8.1.40.0000.00917.59
8.1.30.0080.00017.65
8.1.20.0040.00417.49
8.1.10.0080.00017.57
8.1.00.0050.00317.50
8.0.300.0060.00319.79
8.0.290.0000.00716.58
8.0.280.0030.00318.46
8.0.270.0000.00716.89
8.0.260.0030.00320.03
8.0.250.0000.01016.94
8.0.240.0000.00716.99
8.0.230.0040.00416.95
8.0.220.0040.00416.92
8.0.210.0030.00316.80
8.0.200.0030.00616.99
8.0.190.0000.00816.89
8.0.180.0030.00516.80
8.0.170.0000.00916.96
8.0.160.0040.00416.95
8.0.150.0000.00716.95
8.0.140.0000.00716.72
8.0.130.0050.00013.34
8.0.120.0030.00516.74
8.0.110.0040.00416.96
8.0.100.0050.00316.78
8.0.90.0000.00716.79
8.0.80.0040.01016.90
8.0.70.0050.00316.90
8.0.60.0080.00016.88
8.0.50.0050.00316.76
8.0.30.0070.01017.15
8.0.20.0130.00717.27
8.0.10.0040.00417.05
8.0.00.0090.00916.86
7.4.330.0000.00515.55
7.4.320.0060.00016.53
7.4.300.0030.00316.52
7.4.290.0040.00416.53
7.4.280.0000.01016.41
7.4.270.0030.00316.42
7.4.260.0030.00313.18
7.4.250.0070.00016.54
7.4.240.0000.00716.52
7.4.230.0000.00716.37
7.4.220.0040.00416.64
7.4.210.0080.00716.63
7.4.200.0000.00716.41
7.4.130.0150.00416.58
7.4.120.0090.00916.55
7.4.110.0100.00716.52
7.4.100.0140.00316.48
7.4.90.0080.00916.54
7.4.80.0030.01419.39
7.4.70.0030.01416.52
7.4.60.0060.01216.62
7.4.50.0090.00616.55
7.4.40.0100.00616.48
7.4.10.0000.01714.74
7.4.00.0050.01214.96
7.3.330.0070.00016.20
7.3.320.0030.00313.32
7.3.310.0000.00716.45
7.3.300.0050.00216.21
7.3.290.0060.00016.18
7.3.280.0070.01416.38
7.3.260.0090.01016.56
7.3.240.0090.00716.57
7.3.230.0100.00716.44
7.3.210.0040.01216.57
7.3.200.0060.01116.50
7.3.190.0100.00716.54
7.3.180.0070.01416.66
7.3.170.0130.00316.46
7.3.160.0100.00616.52
7.3.130.0040.01114.82
7.3.120.0050.01214.88
7.3.110.0070.00614.88
7.3.100.0080.00714.87
7.3.90.0050.01014.90
7.3.80.0040.00914.83
7.3.70.0070.00814.79
7.3.60.0060.00814.79
7.3.50.0030.01014.83
7.3.40.0030.01014.73
7.3.30.0020.01114.94
7.3.20.0060.00915.99
7.3.10.0070.00815.93
7.3.00.0050.00816.00
7.2.330.0110.00616.77
7.2.320.0110.00816.70
7.2.310.0050.01416.68
7.2.300.0110.01016.64
7.2.290.0140.00416.76
7.2.260.0110.00414.82
7.2.250.0070.01115.26
7.2.240.0060.00815.23
7.2.230.0060.01215.09
7.2.220.0070.00815.08
7.2.210.0060.01014.99
7.2.200.0080.00615.09
7.2.190.0080.00815.12
7.2.180.0080.00814.95
7.2.170.0050.01014.99
7.2.160.0040.01115.06
7.2.150.0020.01216.37
7.2.140.0050.01116.29
7.2.130.0050.01016.27
7.2.120.0040.01116.29
7.2.110.0060.01116.40
7.2.100.0040.01216.27
7.2.90.0070.00916.42
7.2.80.0060.00916.29
7.2.70.0080.00716.46
7.2.60.0070.01016.28
7.2.50.0050.01016.22
7.2.40.0010.01516.08
7.2.30.0050.01216.26
7.2.20.0080.00816.41
7.2.10.0060.00716.31
7.2.00.0050.01116.21
7.1.330.0050.00915.93
7.1.320.0060.00915.19
7.1.310.0060.01115.15
7.1.300.0070.01015.25
7.1.290.0050.00915.12
7.1.280.0050.00715.11
7.1.270.0050.01015.24
7.1.260.0060.00815.17
7.1.250.0060.01015.03
7.1.240.0120.00315.84
7.1.230.0120.00615.93
7.1.220.0030.01115.96
7.1.210.0100.00715.85
7.1.200.0070.01015.72
7.1.190.0030.01015.83
7.1.180.0000.01415.67
7.1.170.0030.01015.66
7.1.160.0100.00715.48
7.1.150.0070.01115.95
7.1.140.0030.01015.79
7.1.130.0030.01015.63
7.1.120.0100.00715.65
7.1.110.0090.00915.94
7.1.100.0060.00916.00
7.1.90.0080.00815.55
7.1.80.0030.01415.93
7.1.70.0040.00415.50
7.1.60.0080.00415.68
7.1.50.0030.00915.92
7.1.40.0060.00915.86
7.1.30.0040.01115.98
7.1.20.0030.01015.88
7.1.10.0060.00615.77
7.1.00.0040.00715.92

preferences:
57.87 ms | 401 KiB | 5 Q