3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'bar'; print "regular string ... "; var_dump(empty($foo)); #Should be false $xml = simplexml_load_string("<xml><something>somevalue</something></xml>"); $xml2 = simplexml_load_string("<xml>\n<something>somevalue</something>\n</xml>"); foreach($xml as $key => $value) { print "$key = $value ... "; var_dump($value); } foreach($xml2 as $key => $value) { print "$key = $value ... "; var_dump($value); }

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)
8.3.70.0070.01116.58
8.3.60.0070.00716.63
8.3.50.0090.00922.16
8.3.40.0080.00618.88
8.3.30.0100.00319.34
8.3.20.0030.00620.46
8.3.10.0050.00323.78
8.3.00.0080.00019.50
8.2.180.0040.01416.88
8.2.170.0120.00322.96
8.2.160.0040.01120.82
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0000.00820.89
8.2.110.0040.00719.59
8.2.100.0100.00317.71
8.2.90.0040.00417.71
8.2.80.0030.00717.97
8.2.70.0000.00818.18
8.2.60.0040.00419.59
8.2.50.0000.00918.10
8.2.40.0040.00419.86
8.2.30.0000.00718.36
8.2.20.0060.00317.94
8.2.10.0080.00018.28
8.2.00.0050.00317.91
8.1.280.0140.00725.92
8.1.270.0080.00024.15
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0070.00322.42
8.1.230.0060.00622.25
8.1.220.0040.00418.04
8.1.210.0040.00418.77
8.1.200.0000.00917.48
8.1.190.0030.00517.48
8.1.180.0000.00920.16
8.1.170.0040.00418.61
8.1.160.0020.00522.20
8.1.150.0040.00418.91
8.1.140.0030.00517.54
8.1.130.0070.00018.11
8.1.120.0030.00317.63
8.1.110.0000.01017.68
8.1.100.0000.00817.59
8.1.90.0000.00817.60
8.1.80.0020.00517.71
8.1.70.0080.00017.57
8.1.60.0040.00417.84
8.1.50.0000.00817.71
8.1.40.0040.00417.59
8.1.30.0080.00017.72
8.1.20.0000.00917.74
8.1.10.0080.00017.73
8.1.00.0030.00517.63
8.0.300.0070.00018.77
8.0.290.0000.00917.00
8.0.280.0000.00718.65
8.0.270.0080.00017.48
8.0.260.0070.00016.92
8.0.250.0030.00317.14
8.0.240.0000.00717.07
8.0.230.0000.00817.10
8.0.220.0030.00317.14
8.0.210.0030.00317.11
8.0.200.0080.00017.19
8.0.190.0040.00417.17
8.0.180.0000.00717.09
8.0.170.0050.00317.04
8.0.160.0030.00517.13
8.0.150.0000.00716.94
8.0.140.0000.00817.06
8.0.130.0000.00613.50
8.0.120.0030.00517.09
8.0.110.0050.00217.18
8.0.100.0000.00717.09
8.0.90.0040.00417.16
8.0.80.0090.00617.02
8.0.70.0000.00717.13
8.0.60.0040.00417.02
8.0.50.0000.00817.16
8.0.30.0090.00917.30
8.0.20.0060.01317.45
8.0.10.0040.00417.18
8.0.00.0110.00817.10
7.4.330.0030.00315.27
7.4.320.0070.00016.76
7.4.300.0030.00316.82
7.4.290.0030.00316.71
7.4.280.0040.00416.76
7.4.270.0030.00316.75
7.4.260.0000.00916.77
7.4.250.0000.00716.75
7.4.240.0000.00716.73
7.4.230.0030.00316.66
7.4.220.0130.00816.72
7.4.210.0070.01416.75
7.4.200.0000.00716.54
7.4.190.0030.00316.85
7.4.160.0060.01016.53
7.4.150.0140.00417.40
7.4.140.0130.00417.86
7.4.130.0090.00916.67
7.4.120.0130.00616.67
7.4.110.0060.01116.71
7.4.100.0150.00916.75
7.4.90.0130.00316.83
7.4.80.0120.00919.39
7.4.70.0100.00616.80
7.4.60.0070.01716.56
7.4.50.0040.00416.42
7.4.40.0120.00616.56
7.4.30.0070.01316.67
7.4.00.0040.01415.07
7.3.330.0000.00613.44
7.3.320.0050.00013.25
7.3.310.0040.00416.61
7.3.300.0070.00016.40
7.3.290.0120.00916.57
7.3.280.0120.00616.52
7.3.270.0170.00617.40
7.3.260.0110.00616.80
7.3.250.0150.00716.60
7.3.240.0060.01516.61
7.3.230.0090.00916.65
7.3.210.0110.00716.67
7.3.200.0100.00619.39
7.3.190.0140.01016.68
7.3.180.0090.00616.70
7.3.170.0130.00316.74
7.3.160.0070.01016.56
7.3.120.0070.00714.95
7.3.110.0030.00814.90
7.3.100.0070.00614.60
7.3.90.0090.00314.97
7.3.80.0000.01114.77
7.3.70.0030.00614.82
7.3.60.0000.01214.78
7.3.50.0070.00414.93
7.3.40.0060.00614.69
7.3.30.0060.00614.93
7.3.20.0060.00916.69
7.3.10.0070.01016.74
7.3.00.0030.00816.70
7.2.330.0070.01016.91
7.2.320.0130.00316.80
7.2.310.0140.00316.88
7.2.300.0060.01116.91
7.2.290.0060.01216.88
7.2.240.0030.01515.25
7.2.230.0060.00915.27
7.2.220.0030.01215.16
7.2.210.0060.00915.38
7.2.200.0080.00815.10
7.2.190.0080.00814.79
7.2.180.0040.00714.86
7.2.170.0000.01215.09
7.2.160.0060.00615.28
7.2.150.0040.00717.14
7.2.140.0070.00416.98
7.2.130.0060.01016.98
7.2.120.0060.00617.18
7.2.110.0130.00317.16
7.2.100.0100.00717.14
7.2.90.0060.01216.88
7.2.80.0030.01317.10
7.2.70.0030.00917.02
7.2.60.0040.01116.99
7.2.50.0030.00717.02
7.2.40.0140.00016.96
7.2.30.0040.00817.09
7.2.20.0030.01217.25
7.2.10.0030.00617.08
7.2.00.0030.00918.15
7.1.330.0090.00315.86
7.1.320.0000.01415.83
7.1.310.0120.00316.11
7.1.300.0030.01015.87
7.1.290.0000.01715.82
7.1.280.0060.00315.75
7.1.270.0000.01215.89
7.1.260.0030.01215.85
7.1.250.0000.01416.08
7.1.200.0040.00815.94
7.1.100.0160.00518.38
7.1.70.0000.01016.94
7.1.60.0030.00919.70
7.1.50.0060.01317.01
7.1.00.0070.07322.54
7.0.200.0000.00916.70
7.0.140.0000.07722.14
7.0.60.0100.03319.93
7.0.50.0070.04317.89
7.0.40.0170.07020.41
7.0.30.0270.07320.27
7.0.20.0270.07320.11
7.0.10.0130.07720.14
7.0.00.0100.06020.40
5.6.280.0030.07321.01
5.6.210.0130.07320.65
5.6.200.0070.08718.30
5.6.190.0270.03720.81
5.6.180.0230.04320.81
5.6.170.0200.05720.71
5.6.160.0230.07020.70
5.6.150.0070.04018.30
5.6.140.0030.06018.21
5.6.130.0070.04718.24
5.6.120.0100.05321.18
5.6.110.0030.08321.04
5.6.100.0000.04321.18
5.6.90.0070.08721.02
5.6.80.0070.03720.52
5.5.350.4000.03720.45
5.5.340.0000.04317.99
5.5.330.0170.06720.60
5.5.320.0370.06020.40
5.5.310.0370.06020.48
5.5.300.0070.08318.09
5.5.290.0130.07318.11
5.5.280.0100.03721.02
5.5.270.0070.08720.93
5.5.260.0130.08021.05
5.5.250.0030.04020.82
5.5.240.0100.06020.33
5.4.450.3070.04719.43
5.4.440.0070.03719.51
5.4.430.1400.06019.41
5.4.420.3900.04719.51
5.4.410.4000.04019.09
5.4.400.4400.03719.24
5.4.390.4230.03019.19
5.4.380.4670.03319.09
5.4.370.4430.04018.91
5.4.360.4630.04019.06
5.4.350.4500.04019.31
5.4.340.4570.03718.96
5.4.320.3930.03719.14
5.4.310.2630.04019.29
5.4.300.0030.06719.14
5.4.290.3570.04018.92
5.4.280.4100.04319.18
5.4.270.4070.03319.23
5.4.260.3600.03019.29
5.4.250.3900.03719.28
5.4.240.4170.03319.18
5.4.230.3500.03319.29
5.4.220.3830.03719.18
5.4.210.4000.03719.28
5.4.200.0070.08019.15
5.4.190.2370.05319.27
5.4.180.4030.03719.17
5.4.170.4370.03319.08
5.4.160.4570.03718.90
5.4.150.4630.04018.89
5.4.140.4600.03316.53
5.4.130.4600.03316.38
5.4.120.4570.03316.41
5.4.110.4600.03016.41
5.4.100.5300.03716.66
5.4.90.4670.02716.34
5.4.80.4630.03316.59
5.4.70.4430.03716.47
5.4.60.4570.03316.55
5.4.50.4570.03716.47
5.4.40.3970.04016.46
5.4.30.4630.04316.54
5.4.20.4370.05716.37
5.4.10.3370.04016.34
5.4.00.3400.04016.06
5.3.290.4470.04014.69
5.3.280.4170.04314.59
5.3.270.3930.04014.57
5.3.260.4470.03714.63
5.3.250.4470.03714.73
5.3.240.4570.03314.70
5.3.230.4630.03714.69
5.3.220.5500.02714.64
5.3.210.5330.04014.59
5.3.200.4630.03714.64
5.3.190.4070.04014.73
5.3.180.4470.03314.53
5.3.170.4600.04014.57
5.3.160.4100.03714.73
5.3.150.4500.04314.43
5.3.140.4600.04014.64
5.3.130.4070.03714.51
5.3.120.3930.04314.64
5.3.110.3930.03714.59
5.3.100.3670.03714.08
5.3.90.3400.03014.00
5.3.80.3500.04314.18
5.3.70.4070.04314.09
5.3.60.3870.02713.96
5.3.50.3400.03314.02
5.3.40.3570.03714.04
5.3.30.3570.03713.99
5.3.20.3300.03313.56
5.3.10.3400.03313.57
5.3.00.3830.02713.77
5.2.170.3000.02311.29
5.2.160.3030.02711.21
5.2.150.3100.02311.11
5.2.140.2730.02711.26
5.2.130.3000.02711.25
5.2.120.3070.02711.08
5.2.110.2930.03011.25
5.2.100.3470.02311.24
5.2.90.3770.03011.20
5.2.80.3570.03011.16
5.2.70.3400.03011.05
5.2.60.3870.03011.11
5.2.50.3970.03310.97
5.2.40.3230.02711.04
5.2.30.3230.02310.93
5.2.20.3230.03011.04
5.2.10.3270.02711.09
5.2.00.3070.03310.78
5.1.60.3170.02310.13
5.1.50.2630.02010.15
5.1.40.3130.03010.11
5.1.30.2670.02010.45
5.1.20.3130.02310.43
5.1.10.3200.03310.11
5.1.00.2630.02710.23
5.0.50.1500.0138.62
5.0.40.1800.0238.45
5.0.30.1770.0378.13
5.0.20.1600.0238.34
5.0.10.1570.0208.15
5.0.00.1800.0278.21
4.4.90.1900.0136.30
4.4.80.1770.0176.30
4.4.70.1570.0206.30
4.4.60.1570.0206.30
4.4.50.1630.0136.30
4.4.40.1800.0236.30
4.4.30.1730.0136.30
4.4.20.1830.0136.30
4.4.10.1800.0136.30
4.4.00.1730.0206.30
4.3.110.1430.0136.30
4.3.100.1770.0136.30
4.3.90.1800.0176.30
4.3.80.1800.0276.30
4.3.70.1430.0176.30
4.3.60.1600.0106.30
4.3.50.1500.0106.30
4.3.40.1470.0236.30
4.3.30.0730.0176.30
4.3.20.1030.0176.30
4.3.10.0970.0206.30
4.3.00.1030.0206.30

preferences:
43.12 ms | 401 KiB | 5 Q