3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = isset($x) ?: 'default'; echo $x;

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)
8.3.60.0140.00718.30
8.3.50.0160.00521.14
8.3.40.0070.00718.61
8.3.30.0100.00320.23
8.3.20.0080.00020.27
8.3.10.0030.00521.95
8.3.00.0000.00822.40
8.2.180.0110.00716.63
8.2.170.0130.00722.96
8.2.160.0110.00320.52
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0000.00719.54
8.2.110.0060.00322.27
8.2.100.0040.00819.33
8.2.90.0040.00419.05
8.2.80.0040.00419.41
8.2.70.0030.00717.63
8.2.60.0080.00017.80
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0040.00418.05
8.2.20.0040.00417.60
8.2.10.0000.00717.75
8.2.00.0000.00817.62
8.1.280.0100.00325.92
8.1.270.0090.00324.66
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0030.00623.91
8.1.230.0070.00418.98
8.1.220.0040.00417.75
8.1.210.0040.00418.77
8.1.200.0030.00617.13
8.1.190.0000.00817.53
8.1.180.0080.00018.10
8.1.170.0040.00418.44
8.1.160.0070.00022.13
8.1.150.0030.00618.62
8.1.140.0050.00217.44
8.1.130.0040.00417.73
8.1.120.0030.00317.52
8.1.110.0000.00717.45
8.1.100.0040.00417.43
8.1.90.0070.00017.37
8.1.80.0000.00717.51
8.1.70.0070.00017.34
8.1.60.0050.00317.59
8.1.50.0040.00417.52
8.1.40.0020.00517.40
8.1.30.0080.00017.63
8.1.20.0030.00617.54
8.1.10.0000.00717.47
8.1.00.0000.00817.35
8.0.300.0040.00418.77
8.0.290.0000.00817.04
8.0.280.0030.00318.34
8.0.270.0070.00017.16
8.0.260.0000.00616.80
8.0.250.0030.00617.01
8.0.240.0000.00816.96
8.0.230.0070.00016.85
8.0.220.0030.00316.86
8.0.210.0030.00516.79
8.0.200.0030.00316.92
8.0.190.0000.00716.95
8.0.180.0000.00716.94
8.0.170.0080.00016.83
8.0.160.0080.00016.92
8.0.150.0000.00716.82
8.0.140.0000.00816.86
8.0.130.0050.00013.21
8.0.120.0000.00816.86
8.0.110.0000.00716.90
8.0.100.0040.00416.94
8.0.90.0040.00416.92
8.0.80.0030.01516.88
8.0.70.0040.00416.78
8.0.60.0000.00716.66
8.0.50.0040.00416.84
8.0.30.0130.00917.05
8.0.20.0100.01317.40
8.0.10.0040.00417.06
8.0.00.0080.00916.89
7.4.330.0040.00015.00
7.4.320.0060.00016.38
7.4.300.0000.00616.61
7.4.290.0000.00716.56
7.4.280.0030.00316.48
7.4.270.0070.00016.36
7.4.260.0000.00716.43
7.4.250.0000.00816.57
7.4.240.0000.00716.58
7.4.230.0070.00016.59
7.4.220.0060.00916.62
7.4.210.0070.00916.52
7.4.200.0040.00416.38
7.4.190.0040.00316.65
7.4.160.0040.01216.54
7.4.150.0140.01017.40
7.4.140.0120.01917.86
7.4.130.0100.00916.38
7.4.120.0100.00716.31
7.4.110.0100.01316.39
7.4.100.0070.01416.28
7.4.90.0060.01316.45
7.4.80.0040.01519.39
7.4.70.0000.01516.51
7.4.60.0130.00316.43
7.4.50.0000.00416.14
7.4.40.0060.00922.77
7.4.30.0120.00316.29
7.4.00.0050.01214.73
7.3.330.0050.00013.10
7.3.320.0000.00612.90
7.3.310.0070.00016.18
7.3.300.0030.00316.09
7.3.290.0090.00616.23
7.3.280.0100.00816.18
7.3.270.0060.01217.40
7.3.260.0000.02316.43
7.3.250.0130.00716.37
7.3.240.0060.01216.16
7.3.230.0140.00416.44
7.3.210.0070.01016.53
7.3.200.0060.00919.39
7.3.190.0090.01316.23
7.3.180.0050.01116.29
7.3.170.0090.01216.27
7.3.160.0120.00616.20
7.3.120.0080.00814.77
7.3.110.0070.01014.96
7.3.100.0060.01214.52
7.3.90.0140.00314.90
7.3.80.0060.00614.70
7.3.70.0080.00814.48
7.3.60.0100.00614.84
7.3.50.0060.00914.82
7.3.40.0070.00714.79
7.3.30.0080.00414.71
7.3.20.0090.00316.66
7.3.10.0000.01216.82
7.3.00.0000.01216.43
7.2.330.0060.01216.17
7.2.320.0110.00916.48
7.2.310.0160.00016.49
7.2.300.0140.00816.38
7.2.290.0030.01316.54
7.2.250.0040.01414.87
7.2.240.0130.00615.00
7.2.230.0120.00014.65
7.2.220.0060.00915.13
7.2.210.0090.00614.53
7.2.200.0070.01014.92
7.2.190.0030.01014.77
7.2.180.0090.00614.86
7.2.170.0100.00714.93
7.2.00.0040.01119.00
7.1.330.0110.00415.59
7.1.320.0060.00915.60
7.1.310.0100.00615.39
7.1.300.0060.00915.86
7.1.290.0030.01015.67
7.1.280.0000.01415.69
7.1.270.0070.00415.68
7.1.260.0070.00415.56
7.1.100.0060.00618.16
7.1.70.0000.00817.03
7.1.60.0070.01519.21
7.1.50.0070.01716.80
7.1.00.0070.05322.37
7.0.200.0440.01114.20
7.0.140.0100.06721.90
7.0.60.0070.04019.94
7.0.50.0100.07717.79
7.0.40.0070.04020.12
7.0.30.0270.08320.10
7.0.20.0270.04320.16
7.0.10.0270.04020.01
7.0.00.0030.08720.17
5.6.280.0030.07321.05
5.6.210.0100.06720.47
5.6.200.0030.06718.12
5.6.190.0100.08720.34
5.6.180.0230.06720.41
5.6.170.0270.08020.42
5.6.160.0100.07720.54
5.6.150.0030.06318.18
5.6.140.0100.07718.14
5.6.130.0070.06318.12
5.6.120.0030.08720.99
5.6.110.0130.07721.00
5.6.100.0030.09020.96
5.6.90.0070.08020.87
5.6.80.0200.06720.50
5.6.70.0800.05320.51
5.5.350.0100.07720.51
5.5.340.0070.07317.96
5.5.330.0100.04320.29
5.5.320.0200.08320.29
5.5.310.0270.07020.26
5.5.300.0100.08018.01
5.5.290.0070.04017.98
5.5.280.0100.06720.77
5.5.270.0130.04020.92
5.5.260.0130.07320.81
5.5.250.0030.07320.54
5.5.240.0070.07320.15
5.4.450.3270.04319.14
5.4.440.3400.04319.46
5.4.430.3230.03319.56
5.4.420.3630.04319.11
5.4.410.3270.03319.45
5.4.400.3830.04019.14
5.4.390.3570.04018.88
5.4.380.3270.04018.91
5.4.370.3130.03719.14
5.4.360.2700.04019.09
5.4.350.3230.03719.24
5.4.340.3200.03719.23
5.4.320.2930.03719.07
5.4.310.3300.03018.79
5.4.300.3130.04019.08
5.4.290.3230.03018.93
5.4.280.3230.04019.15
5.4.270.3570.03719.13
5.4.260.4030.03019.16
5.4.250.3300.03719.24
5.4.240.3330.03019.09
5.4.230.3570.03719.10
5.4.220.3530.03319.05
5.4.210.3600.03719.23
5.4.200.3500.03319.25
5.4.190.3470.03318.91
5.4.180.3470.04019.07
5.4.170.3200.04319.23
5.4.160.3370.03319.11
5.4.150.3330.05319.13
5.4.140.3770.04716.54
5.4.130.3370.03716.22
5.4.120.3330.03316.43
5.4.110.3470.03716.39
5.4.100.3800.02716.39
5.4.90.3070.04016.38
5.4.80.3570.04316.37
5.4.70.3130.03316.39
5.4.60.2830.04016.19
5.4.50.3300.03716.45
5.4.40.3570.03716.27
5.4.30.3300.03716.46
5.4.20.3270.04016.18
5.4.10.3470.03716.36
5.4.00.3470.03015.80
5.3.290.3200.04014.60
5.3.280.3700.04014.42
5.3.270.2970.03714.55
5.3.260.3100.03714.53
5.3.250.3330.03714.48
5.3.240.3500.04314.55
5.3.230.3270.03314.64
5.3.220.3130.04014.51
5.3.210.3130.03714.65
5.3.200.3470.03014.52
5.3.190.4030.03714.51
5.3.180.3400.03314.40
5.3.170.3300.04714.39
5.3.160.2830.03714.40
5.3.150.3030.04014.39
5.3.140.3270.03314.41
5.3.130.3400.03714.50
5.3.120.3030.04014.59
5.3.110.3430.03714.59
5.3.100.3430.04313.91
5.3.90.3600.04014.06
5.3.80.3730.03313.96
5.3.70.4100.03713.96
5.3.60.4170.04013.83
5.3.50.3930.03313.71
5.3.40.3600.03313.78
5.3.30.3000.04013.88
5.3.20.3570.02713.52
5.3.10.3170.03013.61
5.3.00.3330.04013.58
5.2.170.2870.02011.00
5.2.160.2970.03311.16
5.2.150.2970.03010.98
5.2.140.2900.02711.29
5.2.130.2800.04311.04
5.2.120.2600.02310.96
5.2.110.3000.03011.11
5.2.100.3170.03010.95
5.2.90.2830.03311.19
5.2.80.3200.03311.14
5.2.70.2300.03010.95
5.2.60.2870.02710.89
5.2.50.3070.02710.94
5.2.40.2870.02310.90
5.2.30.2300.02710.80
5.2.20.2670.02710.79
5.2.10.2700.02310.79
5.2.00.2400.02710.69
5.1.60.2800.0279.92
5.1.50.2270.03010.04
5.1.40.2500.0239.96
5.1.30.2100.03010.21
5.1.20.2400.02310.46
5.1.10.2330.02710.15
5.1.00.2330.0239.94
5.0.50.1370.0208.88
5.0.40.1270.0238.88
5.0.30.1200.0378.88
5.0.20.1370.0308.88
5.0.10.1370.0208.88
5.0.00.1200.0308.88
4.4.90.1400.0208.88
4.4.80.1070.0138.88
4.4.70.1130.0138.88
4.4.60.1630.0178.88
4.4.50.1300.0138.88
4.4.40.1530.0278.88
4.4.30.1330.0138.88
4.4.20.1100.0138.88
4.4.10.1000.0208.88
4.4.00.1200.0338.88
4.3.110.1370.0178.88
4.3.100.1200.0178.88
4.3.90.1330.0138.88
4.3.80.1300.0308.88
4.3.70.1300.0208.88
4.3.60.1370.0178.88
4.3.50.1470.0178.88
4.3.40.1270.0278.88
4.3.30.0400.0178.88
4.3.20.0670.0178.88
4.3.10.0730.0178.88
4.3.00.0770.0238.88

preferences:
54.88 ms | 401 KiB | 5 Q