3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a() {echo '1'; return 'a';} 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)
8.3.60.0080.01118.43
8.3.50.0080.01020.97
8.3.40.0150.00418.93
8.3.30.0140.00019.01
8.3.20.0070.00020.21
8.3.10.0000.00823.65
8.3.00.0110.00017.63
8.2.180.0110.00718.17
8.2.170.0140.00022.96
8.2.160.0070.01020.22
8.2.150.0090.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00422.10
8.2.110.0060.00320.35
8.2.100.0070.00317.91
8.2.90.0040.00418.91
8.2.80.0050.00517.97
8.2.70.0040.00417.63
8.2.60.0030.00617.93
8.2.50.0080.00018.07
8.2.40.0000.00818.16
8.2.30.0030.00517.92
8.2.20.0040.00417.43
8.2.10.0040.00417.91
8.2.00.0050.00217.54
8.1.280.0170.00925.92
8.1.270.0090.00024.01
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00624.01
8.1.230.0100.00019.01
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0050.00317.10
8.1.180.0030.00518.10
8.1.170.0000.00818.66
8.1.160.0050.00321.94
8.1.150.0040.00418.81
8.1.140.0000.00717.30
8.1.130.0070.00017.78
8.1.120.0000.00717.32
8.1.110.0080.00017.31
8.1.100.0040.00417.27
8.1.90.0080.00017.21
8.1.80.0070.00017.22
8.1.70.0000.00817.24
8.1.60.0030.00617.45
8.1.50.0090.00317.39
8.1.40.0000.00817.34
8.1.30.0000.00817.56
8.1.20.0040.00417.59
8.1.10.0050.00217.37
8.1.00.0040.00417.32
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.34
8.0.270.0070.00017.25
8.0.260.0040.00417.31
8.0.250.0000.00716.88
8.0.240.0040.00416.88
8.0.230.0040.00416.89
8.0.220.0040.00416.85
8.0.210.0080.00016.84
8.0.200.0000.00616.90
8.0.190.0030.00616.81
8.0.180.0060.00316.79
8.0.170.0060.00316.72
8.0.160.0000.00716.75
8.0.150.0000.00716.79
8.0.140.0000.00716.76
8.0.130.0060.00013.29
8.0.120.0030.00516.75
8.0.110.0070.00016.67
8.0.100.0040.00416.80
8.0.90.0050.00216.74
8.0.80.0070.01316.75
8.0.70.0070.00016.79
8.0.60.0040.00416.81
8.0.50.0040.00416.71
8.0.30.0110.00717.06
8.0.20.0150.00817.40
8.0.10.0000.00716.95
8.0.00.0120.00616.59
7.4.330.0000.00515.00
7.4.320.0070.00016.58
7.4.300.0000.00616.57
7.4.290.0000.00716.59
7.4.280.0000.00716.58
7.4.270.0030.00516.59
7.4.260.0020.00516.56
7.4.250.0040.00416.54
7.4.240.0040.00416.48
7.4.230.0030.00316.66
7.4.220.0120.00616.46
7.4.210.0030.01016.58
7.4.200.0040.00416.48
7.4.160.0140.00716.50
7.4.150.0130.00417.40
7.4.140.0070.01417.86
7.4.130.0160.00016.54
7.4.120.0160.00316.41
7.4.110.0100.00716.30
7.4.100.0090.00916.46
7.4.90.0060.01116.62
7.4.80.0090.00919.39
7.4.70.0060.00916.55
7.4.60.0060.01016.44
7.4.50.0030.00616.32
7.4.40.0100.00616.52
7.4.30.0070.01016.43
7.4.00.0060.01014.93
7.3.330.0000.00613.23
7.3.320.0020.00213.01
7.3.310.0070.00016.28
7.3.300.0070.00016.09
7.3.290.0150.00416.24
7.3.280.0090.00916.20
7.3.270.0150.00917.40
7.3.260.0080.01116.44
7.3.240.0090.01016.56
7.3.230.0070.01016.39
7.3.210.0130.00316.30
7.3.200.0090.00919.39
7.3.190.0070.01116.14
7.3.180.0060.00916.18
7.3.170.0120.00416.48
7.3.160.0170.00316.44
7.3.120.0100.00714.99
7.3.110.0100.01014.89
7.3.100.0100.00614.68
7.3.90.0000.01614.54
7.3.80.0120.00314.78
7.3.70.0000.01114.58
7.3.60.0030.01314.74
7.3.50.0120.00314.64
7.3.40.0130.00314.64
7.3.30.0070.01114.63
7.3.20.0120.00316.41
7.3.10.0090.00916.46
7.3.00.0110.00016.70
7.2.330.0110.00516.53
7.2.320.0080.00816.29
7.2.310.0170.00616.63
7.2.300.0150.00816.46
7.2.290.0070.01016.25
7.2.250.0070.01015.16
7.2.240.0130.00314.93
7.2.230.0120.00315.12
7.2.220.0060.00614.64
7.2.210.0060.01014.93
7.2.200.0080.00814.87
7.2.190.0100.00714.59
7.2.180.0000.01614.64
7.2.170.0130.00615.02
7.2.80.0040.00816.64
7.2.60.0090.00316.82
7.2.00.0030.00719.24
7.1.330.0030.01315.78
7.1.320.0060.00915.44
7.1.310.0070.00415.64
7.1.300.0030.01215.61
7.1.290.0000.01315.67
7.1.280.0030.01315.41
7.1.270.0100.00715.51
7.1.260.0000.01315.67
7.1.200.0030.01015.81
7.1.100.0070.00717.98
7.1.70.0030.00916.99
7.1.60.0090.01619.32
7.1.50.0070.00716.77
7.1.00.0070.07322.33
7.0.200.0050.00516.65
7.0.140.0000.07721.95
7.0.60.0100.06719.78
7.0.50.0130.07717.88
7.0.40.0100.07720.11
7.0.30.0230.04020.24
7.0.20.0200.05720.06
7.0.10.0030.07720.12
7.0.00.0100.08020.30
5.6.280.0030.07321.04
5.6.210.0130.07720.61
5.6.200.0100.06718.15
5.6.190.0070.05320.61
5.6.180.0270.03720.52
5.6.170.0300.05320.51
5.6.160.0130.03320.52
5.6.150.0000.05718.16
5.6.140.0070.04018.29
5.6.130.0030.07318.17
5.6.120.0000.06021.12
5.6.110.0100.08320.98
5.6.100.0130.03321.04
5.6.90.0070.04021.00
5.6.80.0130.07720.48
5.5.350.0030.07320.40
5.5.340.0100.07318.00
5.5.330.0030.05020.29
5.5.320.0030.08720.20
5.5.310.0430.07320.24
5.5.300.0030.06717.98
5.5.290.0100.03317.93
5.5.280.0070.08320.87
5.5.270.0070.04720.85
5.5.260.0030.08320.87
5.5.250.0100.03720.70
5.5.240.0170.07020.34
5.4.450.3370.04019.41
5.4.440.3330.04019.42
5.4.430.3930.04719.40
5.4.420.3530.04319.17
5.4.410.2870.04019.14
5.4.400.3400.03019.31
5.4.390.3430.03719.22
5.4.380.3170.03719.07
5.4.370.3230.03018.99
5.4.360.3200.04018.95
5.4.350.3430.03719.32
5.4.340.3400.03719.06
5.4.320.3130.04019.09
5.4.310.3600.03319.22
5.4.300.4570.04719.20
5.4.290.3600.03718.87
5.4.280.3500.04019.24
5.4.270.3530.03319.09
5.4.260.1730.04318.86
5.4.250.0100.07019.15
5.4.240.3570.04019.08
5.4.230.3500.04019.21
5.4.220.3530.04319.21
5.4.210.3500.04018.99
5.4.200.3070.03319.13
5.4.190.3670.03318.86
5.4.180.4100.03718.97
5.4.170.3500.04018.98
5.4.160.3570.03719.06
5.4.150.0030.08319.14
5.4.140.0070.07016.46
5.4.130.3530.04016.37
5.4.120.3530.03716.50
5.4.110.3530.02716.56
5.4.100.3530.02716.41
5.4.90.3570.02716.51
5.4.80.3670.04016.39
5.4.70.3300.03716.49
5.4.60.3270.04016.52
5.4.50.3500.04016.51
5.4.40.3270.03016.25
5.4.30.3530.03316.51
5.4.20.3570.03716.23
5.4.10.3470.03016.34
5.4.00.2900.03715.73
5.3.290.3330.03714.63
5.3.280.3500.04714.81
5.3.270.3670.02714.50
5.3.260.2030.04014.51
5.3.250.0070.03314.61
5.3.240.3170.03314.65
5.3.230.3730.02714.61
5.3.220.3500.03714.79
5.3.210.3530.04014.54
5.3.200.3330.04014.54
5.3.190.3400.04014.72
5.3.180.3230.03714.61
5.3.170.3370.03714.49
5.3.160.3630.04014.56
5.3.150.3470.03314.49
5.3.140.3400.03314.52
5.3.130.3570.03314.55
5.3.120.3470.04014.56
5.3.110.3730.03314.47
5.3.100.3370.03313.95
5.3.90.3670.03313.97
5.3.80.3600.03714.03
5.3.70.3370.03314.03
5.3.60.3530.04313.93
5.3.50.3770.03013.88
5.3.40.3530.03313.93
5.3.30.4070.04014.00
5.3.20.3530.03713.60
5.3.10.3370.03713.57
5.3.00.3500.04013.56
5.2.170.2870.03311.23
5.2.160.3000.03311.05
5.2.150.2970.03011.23
5.2.140.2800.03311.05
5.2.130.3100.03011.19
5.2.120.3300.02711.10
5.2.110.2830.02011.18
5.2.100.2800.03011.02
5.2.90.2800.03011.32
5.2.80.2900.02711.07
5.2.70.2800.02711.25
5.2.60.2930.02711.05
5.2.50.2800.03010.97
5.2.40.2470.02310.89
5.2.30.2200.02710.97
5.2.20.2370.03011.17
5.2.10.2230.03010.77
5.2.00.2170.02710.64
5.1.60.2230.0239.98
5.1.50.2730.02310.11
5.1.40.2470.0279.87
5.1.30.2230.02710.50
5.1.20.2270.02310.25
5.1.10.2400.02310.14
5.1.00.2300.0179.98
5.0.50.1130.0238.59
5.0.40.1170.0208.59
5.0.30.1070.0338.59
5.0.20.1130.0178.59
5.0.10.1330.0178.59
5.0.00.1200.0338.59
4.4.90.1370.0208.59
4.4.80.1400.0178.59
4.4.70.1430.0108.59
4.4.60.1270.0138.59
4.4.50.1030.0208.59
4.4.40.1100.0238.59
4.4.30.1130.0178.59
4.4.20.1300.0208.59
4.4.10.1300.0178.59
4.4.00.1270.0308.59
4.3.110.1170.0138.59
4.3.100.1130.0138.59
4.3.90.1100.0178.59
4.3.80.1070.0278.59
4.3.70.1230.0178.59
4.3.60.1370.0178.59
4.3.50.1230.0178.59
4.3.40.1230.0278.59
4.3.30.0530.0178.59
4.3.20.0670.0208.59
4.3.10.0530.0178.59
4.3.00.0570.0108.59

preferences:
38.81 ms | 401 KiB | 5 Q