3v4l.org

run code in 300+ PHP versions simultaneously
<?php $empty_values = [ "empty-string" => "", "0 (int)" => 0, "0 (float)" => 0.0, "0 (string)" => "0", "null" => null, "boolean false" => false, "empty array" => [] ]; foreach ($empty_values as $explanation=>$value) { $test = empty($value) ? 'foo' : 'bar'; if ($test !== ($value ?: 'foo')) { echo "discrepency on " . $explanation . "\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)
8.3.60.0160.00018.55
8.3.50.0120.00616.34
8.3.40.0090.00918.85
8.3.30.0040.01118.72
8.3.20.0040.00421.77
8.3.10.0040.00423.52
8.3.00.0030.00519.56
8.2.180.0070.00718.01
8.2.170.0040.01122.96
8.2.160.0180.00420.24
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00420.57
8.2.120.0000.00726.35
8.2.110.0030.00621.10
8.2.100.0070.00417.91
8.2.90.0000.00817.91
8.2.80.0030.00518.09
8.2.70.0080.00018.05
8.2.60.0090.00017.50
8.2.50.0030.00518.10
8.2.40.0080.00022.38
8.2.30.0040.00419.36
8.2.20.0110.00018.06
8.2.10.0000.00817.75
8.2.00.0070.00018.00
8.1.280.0120.00325.92
8.1.270.0000.00823.86
8.1.260.0000.00826.35
8.1.250.0020.00528.09
8.1.240.0060.00322.59
8.1.230.0060.00622.77
8.1.220.0040.00417.77
8.1.210.0040.00418.77
8.1.200.0000.00817.23
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0030.00618.59
8.1.160.0050.00218.74
8.1.150.0070.00020.27
8.1.140.0050.00317.70
8.1.130.0000.01019.07
8.1.120.0050.00217.50
8.1.110.0070.00417.39
8.1.100.0020.00517.48
8.1.90.0070.00017.40
8.1.80.0070.00017.40
8.1.70.0030.00317.38
8.1.60.0060.00317.59
8.1.50.0030.00517.57
8.1.40.0000.00817.42
8.1.30.0000.00717.64
8.1.20.0000.00717.65
8.1.10.0000.00817.39
8.1.00.0000.00817.45
8.0.300.0000.00719.98
8.0.290.0080.00016.63
8.0.280.0000.00718.36
8.0.270.0050.00217.14
8.0.260.0080.00016.82
8.0.250.0000.00716.88
8.0.240.0040.00417.00
8.0.230.0030.00316.85
8.0.220.0030.00316.76
8.0.210.0030.00316.80
8.0.200.0000.00716.99
8.0.190.0030.00316.97
8.0.180.0050.00316.88
8.0.170.0060.00316.91
8.0.160.0070.00016.94
8.0.150.0060.00316.84
8.0.140.0030.00616.87
8.0.130.0030.00313.30
8.0.120.0000.00716.82
8.0.110.0040.00416.79
8.0.100.0040.00416.71
8.0.90.0080.00016.80
8.0.80.0150.00316.94
8.0.70.0050.00316.69
8.0.60.0050.00216.85
8.0.50.0040.00416.92
8.0.30.0120.00817.02
8.0.20.0060.01217.40
8.0.10.0040.00416.89
8.0.00.0080.01116.87
7.4.330.0000.00515.55
7.4.320.0060.00016.52
7.4.300.0000.00716.51
7.4.290.0070.00016.55
7.4.280.0030.00616.50
7.4.270.0050.00216.41
7.4.260.0070.00016.40
7.4.250.0000.00816.52
7.4.240.0030.00316.65
7.4.230.0040.00416.52
7.4.220.0070.00016.40
7.4.210.0080.00916.54
7.4.200.0050.00316.63
7.4.160.0110.00816.60
7.4.140.0120.00717.86
7.4.130.0070.01016.24
7.4.120.0100.00816.54
7.4.110.0060.01016.67
7.4.100.0130.00516.57
7.4.90.0070.01316.38
7.4.80.0070.01419.39
7.4.70.0060.01016.52
7.4.60.0030.01316.59
7.4.50.0030.01316.44
7.4.40.0120.00916.49
7.4.00.0080.01015.04
7.3.330.0050.00013.16
7.3.320.0030.00313.25
7.3.310.0030.00316.39
7.3.300.0060.00016.30
7.3.290.0060.00016.30
7.3.280.0060.00916.31
7.3.260.0090.01116.35
7.3.240.0120.00716.46
7.3.230.0130.00316.47
7.3.210.0150.00616.58
7.3.200.0090.00616.30
7.3.190.0060.01016.16
7.3.180.0070.01416.34
7.3.170.0100.00716.41
7.3.160.0080.00816.63
7.3.120.0070.01115.11
7.3.110.0080.00815.00
7.3.100.0060.00614.84
7.3.90.0130.00314.75
7.3.80.0040.01114.98
7.3.70.0000.01714.72
7.3.60.0060.00614.63
7.3.50.0070.00414.78
7.3.40.0090.00314.65
7.3.30.0070.00714.70
7.3.20.0060.00616.70
7.3.10.0080.00716.66
7.3.00.0090.00516.60
7.2.330.0100.00716.73
7.2.320.0100.00716.63
7.2.310.0100.00716.43
7.2.300.0090.00916.59
7.2.290.0120.01216.37
7.2.250.0000.01814.82
7.2.240.0070.01015.01
7.2.230.0070.00715.09
7.2.220.0060.00614.66
7.2.210.0110.00414.90
7.2.200.0060.01014.81
7.2.190.0040.00714.78
7.2.180.0030.00614.95
7.2.170.0000.01515.12
7.2.160.0000.00915.16
7.2.150.0070.01017.02
7.2.140.0060.00916.77
7.2.130.0040.00816.96
7.2.120.0090.00516.76
7.2.110.0030.01316.83
7.2.100.0050.01016.94
7.2.90.0050.00916.72
7.2.80.0070.00516.83
7.2.70.0100.00316.94
7.2.60.0040.00916.88
7.2.50.0110.00316.75
7.2.40.0080.00916.92
7.2.30.0090.01217.46
7.2.20.0120.00817.39
7.2.10.0120.01117.40
7.2.00.0170.01117.39
7.1.330.0070.01015.69
7.1.320.0070.00715.97
7.1.310.0070.00715.97
7.1.300.0030.01015.56
7.1.290.0040.00715.88
7.1.280.0050.00315.81
7.1.270.0030.00615.58
7.1.260.0090.00015.72
7.1.250.0020.01215.76
7.1.240.0070.00315.77
7.1.230.0060.00615.86
7.1.220.0090.00615.99
7.1.210.0030.00915.63
7.1.200.0100.00115.72
7.1.190.0040.01115.71
7.1.180.0070.01015.73
7.1.170.0030.00915.87
7.1.160.0110.00315.77
7.1.150.0090.01316.34
7.1.140.0090.01016.24
7.1.130.0150.01116.36
7.1.120.0110.01016.52
7.1.110.0100.01015.98
7.1.100.0080.01216.10
7.1.90.0130.00915.92
7.1.80.0280.01016.03
7.1.70.0340.01015.27
7.1.60.0240.01328.85
7.1.50.0350.01428.65
7.1.40.0230.01328.40
7.1.30.0240.01228.39
7.1.20.0250.01328.48
7.1.10.0100.01014.98
7.1.00.0110.00915.11
7.0.330.0070.00715.00
7.0.320.0090.00415.47
7.0.310.0000.01215.21
7.0.300.0100.00315.34
7.0.290.0000.00815.29
7.0.280.0130.00015.27
7.0.270.0110.01416.06
7.0.260.0110.00915.99
7.0.250.0080.00915.63
7.0.240.0250.01015.67
7.0.230.0120.01115.66
7.0.220.0110.01215.68
7.0.210.0110.01014.94
7.0.200.0120.00915.10
7.0.190.0160.01115.04
7.0.180.0100.01214.71
7.0.170.0110.00814.74
7.0.160.0100.01114.65
7.0.150.0090.01014.66
7.0.140.0090.00914.75
7.0.130.0090.01214.86
7.0.120.0110.00914.88
7.0.110.0110.01014.77
7.0.100.0100.01114.71
7.0.90.0100.01014.72
7.0.80.0250.00714.67
7.0.70.0080.01114.72
7.0.60.0090.01114.56
7.0.50.0100.00814.72
7.0.40.0130.00714.36
7.0.30.0120.01214.37
7.0.20.0760.01014.32
7.0.10.0090.01114.34
7.0.00.0090.00914.40
5.6.400.0030.00714.54
5.6.390.0070.01014.16
5.6.380.0030.00714.27
5.6.370.0000.00914.70
5.6.360.0030.00914.54
5.6.350.0060.00614.45
5.6.340.0070.00714.13
5.6.330.0090.00014.33
5.6.320.0110.00914.41
5.6.310.0050.00314.57
5.6.300.0160.04519.06
5.6.290.0160.04419.13
5.6.280.0160.04919.25
5.6.270.0150.04419.25
5.6.260.0170.05319.25
5.6.250.0180.04619.20
5.6.240.0180.05219.17
5.6.230.0160.05819.23
5.6.220.0140.05419.15
5.6.210.0150.05319.28
5.6.200.0160.04519.27
5.6.190.0120.05519.24
5.6.180.0140.05519.21
5.6.170.0160.04519.13
5.6.160.0110.05819.13
5.6.150.0130.05319.23
5.6.140.0150.05619.24
5.6.130.0150.04719.17
5.6.120.0160.05219.21
5.6.110.0180.05419.14
5.6.100.0180.04919.27
5.6.90.0170.04619.17
5.6.80.0130.05918.69
5.6.70.0140.04718.73
5.6.60.0130.04618.69
5.6.50.0140.04418.71
5.6.40.0150.04818.69
5.6.30.0150.04318.74
5.6.20.0150.05518.68
5.6.10.0150.04718.64
5.6.00.0140.04318.73
5.5.380.0120.06617.57
5.5.370.0190.05417.40
5.5.360.0160.05517.43
5.5.350.0230.07517.49
5.5.340.0130.06517.88
5.5.330.0140.05717.82
5.5.320.0160.06117.78
5.5.310.0170.05317.92
5.5.300.0160.07217.88
5.5.290.0180.05417.97
5.5.280.0130.06118.05
5.5.270.0190.08217.87
5.5.260.0190.08017.89
5.5.250.0180.06817.78
5.5.240.0150.05817.36
5.5.230.0170.05217.17
5.5.220.0140.05917.43
5.5.210.0160.05517.35
5.5.200.0230.05717.10
5.5.190.0170.05617.42
5.5.180.0130.06817.29
5.5.160.0190.05017.40
5.5.150.0260.06517.05
5.5.140.0190.05017.09
5.5.130.0160.05117.31
5.5.120.0130.05917.31
5.5.110.0100.05717.09
5.5.100.0150.06517.22
5.5.90.0160.05017.21
5.5.80.0180.04916.93
5.5.70.0120.05917.02
5.5.60.0170.05217.23
5.5.50.0190.05217.11
5.5.40.0140.05117.13
5.5.30.0140.05317.11
5.5.20.0160.05317.20
5.5.10.0130.05917.07
5.5.00.0170.05617.25
5.4.450.0200.06819.41
5.4.440.0230.07619.09
5.4.430.0200.06019.30
5.4.420.0160.05819.27
5.4.410.0200.05419.15
5.4.400.0220.06519.00
5.4.390.0190.05718.76
5.4.380.0170.05718.79
5.4.370.0170.05118.93
5.4.360.0230.06419.00
5.4.350.0140.05818.96
5.4.340.0110.05818.85
5.4.320.0190.06518.91
5.4.310.0160.05419.01
5.4.300.0140.05318.96
5.4.290.0140.05418.91
5.4.280.0170.05219.00
5.4.270.0180.05218.76
5.4.260.0190.05018.95
5.4.250.0170.05319.07
5.4.240.0180.05519.16
5.4.230.0120.05418.84
5.4.220.0130.05719.00
5.4.210.0160.05318.99
5.4.200.0090.05619.03
5.4.190.0170.05118.75
5.4.180.0140.05218.92
5.4.170.0190.05119.00
5.4.160.0180.05318.77
5.4.150.0130.05819.02
5.4.140.0240.05016.53
5.4.130.0190.04716.54
5.4.120.0190.05116.37
5.4.110.0170.05316.54
5.4.100.0140.05016.51
5.4.90.0180.04816.33
5.4.80.0120.05216.60
5.4.70.0130.05216.48
5.4.60.0140.05116.37
5.4.50.0150.05016.52
5.4.40.0160.06016.32
5.4.30.0220.05116.32
5.4.20.0200.04516.36
5.4.10.0180.06716.55
5.4.00.0110.05315.95
5.3.290.0170.05514.65
5.3.280.0090.05614.68
5.3.270.0130.07214.65
5.3.260.0180.06714.76
5.3.250.0140.07914.75
5.3.240.0170.04714.72
5.3.230.0120.05914.52
5.3.220.0130.05014.56
5.3.210.0140.05814.56
5.3.200.0160.05514.55
5.3.190.0150.05914.77
5.3.180.0220.04414.74
5.3.170.0210.05714.49
5.3.160.0230.04614.72
5.3.150.0130.05414.73
5.3.140.0190.04814.62
5.3.130.0200.06814.75
5.3.120.0210.05214.71
5.3.110.0190.05414.69
5.3.100.0160.05514.00
5.3.90.0190.04714.08
5.3.80.0110.06914.18
5.3.70.0140.05713.83
5.3.60.0170.04614.16
5.3.50.0110.05514.12
5.3.40.0180.05214.02
5.3.30.0160.04713.99
5.3.20.0140.04913.88
5.3.10.0140.04813.83
5.3.00.0090.05513.63
5.2.170.0160.04911.26
5.2.160.0150.04911.09
5.2.150.0160.03811.25
5.2.140.0110.04210.95
5.2.130.0080.04511.09
5.2.120.0100.04111.04
5.2.110.0100.04011.08
5.2.100.0100.03911.22
5.2.90.0110.04111.08
5.2.80.0150.03911.23
5.2.70.0120.04411.22
5.2.60.0110.04510.98
5.2.50.0140.05211.08
5.2.40.0090.04011.21
5.2.30.0140.05211.12
5.2.20.0130.03911.06
5.2.10.0100.04110.73
5.2.00.0100.03910.82
5.1.60.0110.03310.19
5.1.50.0120.04310.27
5.1.40.0130.04610.11
5.1.30.0100.03310.21
5.1.20.0080.03710.22
5.1.10.0100.03610.25
5.1.00.0120.03510.36
5.0.50.0100.0268.70
5.0.40.0070.0328.45
5.0.30.0110.0388.41
5.0.20.0080.0278.41
5.0.10.0070.0288.45
5.0.00.0080.0408.44
4.4.90.0060.0248.41
4.4.80.0090.0268.41
4.4.70.0100.0188.41
4.4.60.0020.0278.41
4.4.50.0080.0198.41
4.4.40.0080.0378.41
4.4.30.0070.0208.41
4.4.20.0050.0238.41
4.4.10.0050.0238.41
4.4.00.0070.0388.41
4.3.110.0080.0208.41
4.3.100.0080.0198.41
4.3.90.0080.0198.41
4.3.80.0040.0358.41
4.3.70.0070.0198.41
4.3.60.0070.0288.41
4.3.50.0080.0288.41
4.3.40.0080.0378.41
4.3.30.0050.0298.41
4.3.20.0060.0228.41
4.3.10.0050.0228.41
4.3.00.0030.0228.41

preferences:
63.72 ms | 400 KiB | 5 Q