3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test ( &$a = 'a' ) { echo 'hi'; }

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)
8.3.40.0100.01018.77
8.3.30.0070.00718.96
8.3.20.0040.00420.30
8.3.10.0040.00422.10
8.3.00.0080.00022.34
8.2.170.0070.01122.96
8.2.160.0100.00318.96
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00419.23
8.2.110.0060.00322.10
8.2.100.0090.00317.47
8.2.90.0050.00318.92
8.2.80.0090.00017.97
8.2.70.0090.00017.50
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0060.00319.82
8.2.30.0050.00317.99
8.2.20.0000.00717.46
8.2.10.0050.00317.54
8.2.00.0000.00817.53
8.1.270.0070.00022.05
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0030.00623.83
8.1.230.0090.00319.07
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.00917.10
8.1.190.0080.00017.41
8.1.180.0050.00318.49
8.1.170.0050.00318.59
8.1.160.0000.00722.17
8.1.150.0040.00418.44
8.1.140.0080.00017.34
8.1.130.0030.00317.66
8.1.120.0040.00417.37
8.1.110.0000.00717.30
8.1.100.0050.00217.30
8.1.90.0040.00417.33
8.1.80.0000.00717.36
8.1.70.0000.00717.18
8.1.60.0070.00017.36
8.1.50.0040.00417.38
8.1.40.0000.00817.35
8.1.30.0040.00417.34
8.1.20.0000.00817.50
8.1.10.0040.00417.37
8.1.00.0040.00417.34
8.0.300.0000.00718.77
8.0.290.0030.00317.04
8.0.280.0000.00818.36
8.0.270.0000.00717.04
8.0.260.0000.00616.60
8.0.250.0000.00716.74
8.0.240.0000.00716.86
8.0.230.0020.00516.72
8.0.220.0000.00716.75
8.0.210.0030.00316.67
8.0.200.0030.00316.81
8.0.190.0030.00616.84
8.0.180.0040.00416.77
8.0.170.0070.00016.68
8.0.160.0060.00316.63
8.0.150.0040.00416.78
8.0.140.0070.00016.63
8.0.130.0000.00513.23
8.0.120.0080.00016.66
8.0.110.0030.00416.77
8.0.100.0000.00716.69
8.0.90.0040.00416.71
8.0.80.0060.01116.75
8.0.70.0040.00416.64
8.0.60.0000.00716.69
8.0.50.0000.00716.55
8.0.30.0110.01116.89
8.0.20.0140.00617.40
8.0.10.0050.00316.85
8.0.00.0110.00616.71
7.4.330.0000.00815.00
7.4.320.0030.00316.48
7.4.300.0030.00316.36
7.4.290.0050.00316.38
7.4.280.0040.00416.37
7.4.270.0030.00616.38
7.4.260.0110.00016.29
7.4.250.0040.00416.33
7.4.240.0040.00316.42
7.4.230.0070.00016.58
7.4.220.0120.00916.58
7.4.210.0040.01216.49
7.4.200.0000.00716.37
7.4.190.0070.00016.51
7.4.160.0070.01116.33
7.4.150.0060.01317.40
7.4.140.0150.00717.86
7.4.130.0110.01016.30
7.4.120.0050.01316.32
7.4.110.0120.00616.34
7.4.100.0100.00716.29
7.4.90.0150.00316.32
7.4.80.0120.01219.39
7.4.70.0060.01316.38
7.4.60.0070.01016.47
7.4.50.0040.00416.59
7.4.40.0040.00822.77
7.4.30.0120.00616.15
7.4.00.0070.01014.69
7.3.330.0050.00012.99
7.3.320.0060.00013.12
7.3.310.0050.00216.03
7.3.300.0000.00715.97
7.3.290.0040.00816.19
7.3.280.0100.00516.16
7.3.270.0110.00617.40
7.3.260.0190.00016.48
7.3.250.0110.00616.22
7.3.240.0040.01516.44
7.3.230.0060.01216.39
7.3.210.0120.00616.31
7.3.200.0130.00319.39
7.3.190.0100.00716.39
7.3.180.0090.00616.05
7.3.170.0070.00816.34
7.3.160.0060.00916.07
7.3.120.0060.00914.56
7.3.110.0060.01214.48
7.3.100.0060.00814.48
7.3.90.0070.00614.70
7.3.80.0100.00414.63
7.3.70.0070.00514.62
7.3.60.0010.01014.73
7.3.50.0060.00914.74
7.3.40.0080.00614.57
7.3.30.0030.01214.58
7.3.20.0030.00916.52
7.3.10.0100.00516.29
7.3.00.0080.00616.37
7.2.330.0100.00716.22
7.2.320.0100.01016.54
7.2.310.0100.01316.54
7.2.300.0130.00616.16
7.2.290.0160.00016.21
7.2.250.0050.01214.69
7.2.240.0050.01114.72
7.2.230.0080.00714.78
7.2.220.0060.00914.87
7.2.210.0050.00914.67
7.2.200.0050.01014.73
7.2.190.0050.00914.75
7.2.180.0050.00914.79
7.2.170.0030.01014.80
7.2.160.0050.00514.96
7.2.150.0000.01216.85
7.2.140.0050.00516.45
7.2.130.0040.00916.40
7.2.120.0030.00916.38
7.2.110.0050.00716.56
7.2.100.0030.00716.63
7.2.90.0090.00616.59
7.2.80.0110.01016.64
7.2.70.0110.00616.64
7.2.60.0080.00616.58
7.2.50.0080.01016.56
7.2.40.0060.01116.36
7.2.30.0100.00716.53
7.2.20.0090.01016.76
7.2.10.0110.00616.59
7.2.00.0070.00817.44
7.1.330.0050.01015.51
7.1.320.0070.00615.64
7.1.310.0090.00315.56
7.1.300.0050.00915.61
7.1.290.0070.00715.41
7.1.280.0060.00615.48
7.1.270.0110.00315.64
7.1.260.0050.00715.63
7.1.250.0100.00515.16
7.1.100.0030.01017.68
7.1.70.0000.01016.92
7.1.60.0120.01219.82
7.1.50.0110.00416.77
7.1.00.0030.07722.51
7.0.200.0080.00316.70
7.0.140.0030.07022.09
7.0.60.0070.08021.73
7.0.50.0000.04717.94
7.0.40.0070.05320.02
7.0.30.0230.03720.13
7.0.20.0330.07720.21
7.0.10.0130.07720.16
7.0.00.0170.04320.24
5.6.280.0030.07320.76
5.6.210.0100.05020.71
5.6.200.0070.06318.20
5.6.190.0100.07320.50
5.6.180.0270.06720.55
5.6.170.0470.06320.48
5.6.160.0030.06320.55
5.6.150.0100.05718.17
5.6.140.0070.08018.17
5.6.130.0100.06318.15
5.6.120.0000.05720.96
5.6.110.0100.09021.00
5.6.100.0100.08020.98
5.6.90.0030.09020.97
5.6.80.0030.05320.49
5.5.350.0270.06320.36
5.5.340.0070.04018.07
5.5.330.0030.09020.43
5.5.320.0230.04320.36
5.5.310.0170.08720.31
5.5.300.0030.08317.98
5.5.290.0100.03318.04
5.5.280.0100.08020.88
5.5.270.0070.08320.76
5.5.260.0070.08320.75
5.5.250.0130.04320.76
5.5.240.0070.03320.26
5.4.450.4570.03719.55
5.4.440.3630.03719.50
5.4.430.3630.04019.30
5.4.420.3500.04019.40
5.4.410.3870.04019.40
5.4.400.5200.04719.13
5.4.390.4100.03018.93
5.4.380.3600.04019.21
5.4.370.3600.03718.93
5.4.360.3670.03719.22
5.4.350.3600.03718.99
5.4.340.3700.02719.22
5.4.320.4100.03319.15
5.4.310.3630.03719.08
5.4.300.3530.03718.93
5.4.290.3530.04019.13
5.4.280.4830.04719.13
5.4.270.3900.03718.95
5.4.260.4170.04019.13
5.4.250.4070.04319.06
5.4.240.4000.03018.98
5.4.230.4030.03319.23
5.4.220.3370.03019.10
5.4.210.3830.03018.93
5.4.200.4170.03718.98
5.4.190.4100.04018.96
5.4.180.4200.03319.19
5.4.170.3970.03719.16
5.4.160.4370.04019.02
5.4.150.4200.04018.96
5.4.140.3930.03316.50
5.4.130.3470.04016.40
5.4.120.3730.03316.34
5.4.110.3830.03316.55
5.4.100.4330.03316.44
5.4.90.4300.03316.42
5.4.80.4130.03716.62
5.4.70.4130.04016.43
5.4.60.3800.04016.20
5.4.50.3970.03016.43
5.4.40.4070.04316.53
5.4.30.3670.03716.50
5.4.20.3870.03016.45
5.4.10.3530.03716.45
5.4.00.3870.03715.70
5.3.290.3630.04014.71
5.3.280.4130.03714.58
5.3.270.3800.04014.60
5.3.260.4030.03314.52
5.3.250.4630.03314.62
5.3.240.4300.04014.64
5.3.230.3730.03014.64
5.3.220.3570.03314.45
5.3.210.4070.03714.58
5.3.200.3970.03714.63
5.3.190.4530.04314.61
5.3.180.3830.04014.48
5.3.170.3870.03714.57
5.3.160.3500.04014.62
5.3.150.4000.04014.57
5.3.140.4100.04714.55
5.3.130.3770.04314.70
5.3.120.3730.04314.57
5.3.110.3800.04314.57
5.3.100.3530.03314.20
5.3.90.2000.03014.07
5.3.80.0100.07013.97
5.3.70.0070.06713.93
5.3.60.0030.04714.02
5.3.50.4500.03014.10
5.3.40.4330.04014.00
5.3.30.3970.03713.90
5.3.20.3600.03313.65
5.3.10.3870.03313.65
5.3.00.4170.04713.68
5.2.170.4630.02311.16
5.2.160.3870.03011.13
5.2.150.2970.02711.11
5.2.140.3330.03011.08
5.2.130.3230.03011.17
5.2.120.3130.03711.17
5.2.110.3300.02311.16
5.2.100.3070.02311.05
5.2.90.3400.03311.11
5.2.80.3200.03011.14
5.2.70.3300.03011.25
5.2.60.3130.03011.09
5.2.50.3230.02310.93
5.2.40.2670.02710.99
5.2.30.1530.03310.98
5.2.20.0070.05711.03
5.2.10.0000.06010.86
5.2.00.0030.04010.70
5.1.60.1800.03010.04
5.1.50.3030.0239.96
5.1.40.2900.0279.94
5.1.30.2800.03310.38
5.1.20.2430.02710.36
5.1.10.2500.0239.97
5.1.00.2570.02310.12
5.0.50.1670.0208.59
5.0.40.1500.0208.40
5.0.30.1470.0308.37
5.0.20.1500.0208.22
5.0.10.1430.0278.28
5.0.00.1170.0308.19
4.4.90.1430.0135.83
4.4.80.1370.0205.83
4.4.70.0030.0335.88
4.4.60.0070.0275.84
4.4.50.0030.0375.88
4.4.40.1700.0205.83
4.4.30.1470.0205.89
4.4.20.1430.0175.91
4.4.10.1470.0175.90
4.4.00.1370.0205.93
4.3.110.1630.0175.83
4.3.100.1470.0175.83
4.3.90.1270.0135.83
4.3.80.1530.0235.83
4.3.70.1130.0175.83
4.3.60.1230.0175.83
4.3.50.1170.0175.83
4.3.40.1130.0275.83
4.3.30.0470.0175.83
4.3.20.0530.0175.83
4.3.10.0430.0175.83
4.3.00.0500.0175.83

preferences:
60.96 ms | 400 KiB | 5 Q