3v4l.org

run code in 300+ PHP versions simultaneously
<?php $one = "test"; $two = "tester"; $result = $one . " " . $two; echo $result;

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)
8.3.40.0140.00318.58
8.3.30.0060.01218.59
8.3.20.0040.00418.51
8.3.10.0000.00818.55
8.3.00.0150.00019.26
8.2.170.0070.00722.96
8.2.160.0070.01018.63
8.2.150.0090.00024.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00019.66
8.2.110.0070.01021.00
8.2.100.0120.00018.04
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0000.00917.80
8.2.50.0000.00818.10
8.2.40.0000.00818.28
8.2.30.0040.00417.55
8.2.20.0040.00417.75
8.2.10.0050.00319.43
8.2.00.0000.00717.60
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.21
8.1.230.0070.00319.22
8.1.220.0030.00517.77
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0040.00418.66
8.1.160.0030.00319.04
8.1.150.0030.00618.53
8.1.140.0000.00817.50
8.1.130.0040.00419.19
8.1.120.0040.00417.30
8.1.110.0040.00417.46
8.1.100.0040.00417.39
8.1.90.0040.00417.34
8.1.80.0000.00717.45
8.1.70.0050.00317.39
8.1.60.0000.00817.45
8.1.50.0050.00317.55
8.1.40.0000.00817.43
8.1.30.0000.01117.52
8.1.20.0000.00817.48
8.1.10.0080.00017.51
8.1.00.0040.00417.48
8.0.300.0080.00018.77
8.0.290.0030.00616.75
8.0.280.0030.00318.34
8.0.270.0040.00417.30
8.0.260.0000.00616.81
8.0.250.0000.00816.96
8.0.240.0000.00716.91
8.0.230.0050.00316.99
8.0.220.0040.00416.86
8.0.210.0030.00616.88
8.0.200.0030.00316.94
8.0.190.0000.00816.84
8.0.180.0040.00416.88
8.0.170.0000.01016.90
8.0.160.0000.01016.79
8.0.150.0000.00716.77
8.0.140.0060.00416.71
8.0.130.0050.00013.23
8.0.120.0040.00416.82
8.0.110.0040.00416.74
8.0.100.0000.00716.73
8.0.90.0030.00316.82
8.0.80.0040.01116.78
8.0.70.0000.00716.93
8.0.60.0040.00416.82
8.0.50.0050.00316.74
8.0.30.0100.01017.18
8.0.20.0150.00716.84
8.0.10.0000.00716.89
8.0.00.0110.00616.66
7.4.330.0050.00013.02
7.4.320.0030.00316.48
7.4.300.0030.00316.39
7.4.290.0030.00316.50
7.4.280.0040.00416.61
7.4.270.0000.00716.47
7.4.260.0000.00613.20
7.4.250.0070.00316.55
7.4.240.0000.00716.44
7.4.230.0030.00316.29
7.4.220.0070.01016.46
7.4.210.0130.00616.48
7.4.200.0000.00716.59
7.4.190.0000.00816.61
7.4.160.0040.01116.41
7.4.150.0040.01316.35
7.4.140.0180.00017.86
7.4.130.0150.00916.46
7.4.120.0130.00316.56
7.4.110.0160.00616.41
7.4.100.0100.00716.51
7.4.90.0060.01216.38
7.4.80.0100.01019.39
7.4.70.0100.00716.34
7.4.60.0000.01716.41
7.4.50.0000.00916.39
7.4.40.0060.01016.46
7.4.30.0030.01416.36
7.4.10.0030.01614.82
7.4.00.0100.00614.95
7.3.330.0060.00012.95
7.3.320.0040.00413.09
7.3.310.0080.00016.25
7.3.300.0040.00416.25
7.3.290.0070.01016.15
7.3.280.0120.00616.16
7.3.270.0110.00716.31
7.3.260.0130.00316.24
7.3.240.0060.00916.53
7.3.230.0130.01116.51
7.3.210.0120.00616.18
7.3.200.0080.00816.45
7.3.190.0060.00916.57
7.3.180.0060.01016.42
7.3.170.0160.00016.24
7.3.160.0090.00616.25
7.3.130.0130.00914.73
7.3.120.0070.00814.78
7.3.110.0070.01414.75
7.3.100.0090.00615.03
7.3.90.0030.01314.79
7.3.80.0060.00514.49
7.3.70.0030.01214.60
7.3.60.0040.01114.39
7.3.50.0120.00414.46
7.3.40.0030.00714.81
7.3.30.0000.01514.65
7.3.20.0040.00416.44
7.3.10.0000.01516.71
7.3.00.0060.00616.32
7.2.330.0120.00916.62
7.2.320.0070.01016.32
7.2.310.0110.01116.50
7.2.300.0100.00616.28
7.2.290.0070.01316.44
7.2.260.0070.01314.93
7.2.250.0070.01015.30
7.2.240.0060.01015.07
7.2.230.0110.00714.69
7.2.220.0030.01414.59
7.2.210.0030.00914.85
7.2.200.0070.00414.97
7.2.190.0060.00914.98
7.2.180.0000.01315.10
7.2.170.0080.00414.88
7.2.160.0060.01015.03
7.2.150.0080.00417.08
7.2.140.0060.00916.95
7.2.130.0030.01016.77
7.2.120.0110.00416.62
7.2.110.0090.00316.86
7.2.100.0090.00316.98
7.2.90.0120.00316.96
7.2.80.0030.01016.87
7.2.70.0070.01116.89
7.2.60.0000.01416.96
7.2.50.0070.00716.96
7.2.40.0040.00716.81
7.2.30.0070.00416.90
7.2.20.0000.01616.97
7.2.10.0000.01516.88
7.2.00.0040.00918.11
7.1.330.0070.00715.75
7.1.320.0040.01115.95
7.1.310.0060.00915.36
7.1.300.0090.00015.72
7.1.290.0090.00615.55
7.1.280.0030.01015.38
7.1.270.0000.01015.57
7.1.260.0090.00015.59
7.1.250.0000.00815.69
7.1.240.0030.00715.49
7.1.230.0040.00715.71
7.1.220.0040.01215.71
7.1.210.0030.00915.64
7.1.200.0070.00415.87
7.1.190.0030.00515.85
7.1.180.0090.00315.48
7.1.170.0030.01015.52
7.1.160.0000.00915.74
7.1.150.0070.00715.58
7.1.140.0070.00315.74
7.1.130.0080.00015.55
7.1.120.0110.00315.62
7.1.110.0060.00915.79
7.1.100.0060.00616.79
7.1.90.0000.00915.84
7.1.80.0030.00815.76
7.1.70.0000.00816.47
7.1.60.0060.00817.37
7.1.50.0150.00925.13
7.1.40.0090.00615.54
7.1.30.0030.01015.73
7.1.20.0120.00315.64
7.1.10.0040.00715.78
7.1.00.0030.02819.06
7.0.330.0120.00015.25
7.0.320.0040.00715.38
7.0.310.0040.00715.27
7.0.300.0040.00915.45
7.0.290.0000.01215.37
7.0.280.0040.00715.08
7.0.270.0030.00615.11
7.0.260.0040.01115.23
7.0.250.0000.01415.45
7.0.240.0070.00415.50
7.0.230.0060.00615.45
7.0.220.0040.00815.13
7.0.210.0100.00315.10
7.0.200.0020.00815.96
7.0.190.0030.00715.26
7.0.180.0030.00615.34
7.0.170.0070.00715.48
7.0.160.0070.00715.49
7.0.150.0040.00715.38
7.0.140.0050.03618.79
7.0.130.0030.01315.14
7.0.120.0040.02418.78
7.0.110.0070.00715.49
7.0.100.0030.01015.22
7.0.90.0000.01015.39
7.0.80.0070.00715.24
7.0.70.0040.00815.38
7.0.60.0070.03717.58
7.0.50.0060.02216.65
7.0.40.0040.02715.65
7.0.30.0080.01815.41
7.0.20.0040.02615.55
7.0.10.0070.02215.64
7.0.00.0050.02815.51
5.6.400.0040.01414.45
5.6.390.0060.01014.16
5.6.380.0070.01014.26
5.6.370.0000.01414.56
5.6.360.0040.00814.02
5.6.350.0030.00614.12
5.6.340.0000.01214.19
5.6.330.0110.00314.34
5.6.320.0060.00914.46
5.6.310.0100.00314.43
5.6.300.0100.00314.10
5.6.290.0040.00414.23
5.6.280.0050.04017.63
5.6.270.0000.01014.24
5.6.260.0070.00414.51
5.6.250.0100.00314.51
5.6.240.0030.00714.37
5.6.230.0090.00414.02
5.6.220.0040.00814.29
5.6.210.0080.03617.53
5.6.200.0060.02116.13
5.6.190.0030.02316.16
5.6.180.0040.02416.25
5.6.170.0050.02516.25
5.6.160.0040.02416.19
5.6.150.0060.02116.21
5.6.140.0070.02216.19
5.6.130.0020.02716.08
5.6.120.0070.02716.27
5.6.110.0080.02016.18
5.6.100.0050.02516.12
5.6.90.0070.02216.33
5.6.80.0060.02215.75
5.6.70.0040.02415.90
5.6.60.0090.01815.78
5.6.50.0080.02515.84
5.6.40.0080.03715.80
5.6.30.0030.04815.80
5.6.20.0070.04615.75
5.6.10.0050.04315.86
5.6.00.0090.04415.82
5.5.380.0000.00914.05
5.5.370.0040.01114.19
5.5.360.0140.00013.73
5.5.350.0030.04417.40
5.5.340.0040.02316.05
5.5.330.0040.02616.10
5.5.320.0050.02316.11
5.5.310.0090.02215.99
5.5.300.0040.02416.09
5.5.290.0020.02916.06
5.5.280.0040.02816.12
5.5.270.0090.02316.04
5.5.260.0070.02616.15
5.5.250.0060.02415.91
5.5.240.0080.02515.60
5.5.230.0080.02215.60
5.5.220.0050.04915.75
5.5.210.0070.03015.66
5.5.200.0100.04515.57
5.5.190.0030.04615.71
5.5.180.0050.02615.83
5.5.170.0060.01314.02
5.5.160.0100.02915.59
5.5.150.0030.04515.68
5.5.140.0070.04515.72
5.5.130.0120.04015.45
5.5.120.0030.04015.73
5.5.110.0030.04515.60
5.5.100.0080.04315.53
5.5.90.0030.04615.65
5.5.80.0110.03115.75
5.5.70.0020.04415.61
5.5.60.0070.02215.59
5.5.50.0050.03715.73
5.5.40.0090.03315.67
5.5.30.0070.02715.73
5.5.20.0090.02815.53
5.5.10.0070.04515.60
5.5.00.0030.04315.63
5.4.450.0030.02214.90
5.4.440.0030.02514.98
5.4.430.0030.02315.09
5.4.420.0030.02315.09
5.4.410.0050.02214.94
5.4.400.0060.02014.80
5.4.390.0070.03214.95
5.4.380.0030.02414.87
5.4.370.0090.03914.90
5.4.360.0070.04214.88
5.4.350.0100.02714.99
5.4.340.0060.04514.90
5.4.330.0030.00310.93
5.4.320.0060.03514.79
5.4.310.0020.04714.90
5.4.300.0030.04314.78
5.4.290.0030.04314.83
5.4.280.0020.04815.01
5.4.270.0030.04414.88
5.4.260.0050.02814.95
5.4.250.0020.02714.80
5.4.240.0060.02814.80
5.4.230.0040.04415.03
5.4.220.0100.03714.85
5.4.210.0030.03114.87
5.4.200.0070.03414.74
5.4.190.0050.03314.97
5.4.180.0070.03314.73
5.4.170.0110.03714.83
5.4.160.0040.03014.80
5.4.150.0060.03814.73
5.4.140.0050.02313.58
5.4.130.0030.02513.53
5.4.120.0080.03813.52
5.4.110.0050.04013.58
5.4.100.0030.03113.63
5.4.90.0000.02913.51
5.4.80.0070.03513.51
5.4.70.0050.03713.54
5.4.60.0070.02013.44
5.4.50.0050.04213.46
5.4.40.0070.04013.54
5.4.30.0060.04113.52
5.4.20.0000.04413.68
5.4.10.0050.03813.69
5.4.00.0070.03813.30
5.3.290.0020.04812.56
5.3.280.0090.03812.48
5.3.270.0050.04312.56
5.3.260.0020.02512.41
5.3.250.0030.04212.46
5.3.240.0070.01812.43
5.3.230.0130.03312.38
5.3.220.0060.04112.32
5.3.210.0090.02812.37
5.3.200.0050.03612.33
5.3.190.0020.03312.33
5.3.180.0050.03812.44
5.3.170.0070.02712.46
5.3.160.0030.03012.45
5.3.150.0030.04412.52
5.3.140.0050.03412.39
5.3.130.0060.02712.40
5.3.120.0020.03012.40
5.3.110.0080.03612.34
5.3.100.0080.03712.10
5.3.90.0080.02812.23
5.3.80.0070.03712.13
5.3.70.0070.03712.13
5.3.60.0040.04112.14
5.3.50.0060.03912.00
5.3.40.0050.04111.98
5.3.30.0060.03211.97
5.3.20.0150.03411.96
5.3.10.0050.04211.77
5.3.00.0020.04411.64
5.2.170.0070.03710.96
5.2.160.0070.04711.12
5.2.150.0070.06711.11
5.2.140.0030.03311.10
5.2.130.0100.05711.10
5.2.120.0070.05311.05
5.2.110.0030.07010.95
5.2.100.0030.06711.05
5.2.90.0000.03711.03
5.2.80.0030.05711.06
5.2.70.0000.03311.07
5.2.60.0030.06710.96
5.2.50.0100.06310.80
5.2.40.0070.06010.93
5.2.30.0030.06310.96
5.2.20.0130.03310.73
5.2.10.0030.04010.83
5.2.00.0030.06710.68
5.1.60.0070.0539.95
5.1.50.0030.0539.97
5.1.40.0030.0509.91
5.1.30.0000.05310.36
5.1.20.0030.03710.38
5.1.10.0030.03010.09
5.1.00.0030.05310.00
5.0.50.0070.0478.39
5.0.40.0030.0478.34
5.0.30.0030.0678.29
5.0.20.0030.0478.25
5.0.10.0030.0478.20
5.0.00.0030.0608.35
4.4.90.0030.0177.84
4.4.80.0030.0337.84
4.4.70.0000.0307.84
4.4.60.0030.0237.84
4.4.50.0000.0307.84
4.4.40.0070.0507.84
4.4.30.0030.0377.84
4.4.20.0030.0237.84
4.4.10.0030.0307.84
4.4.00.0000.0507.84
4.3.110.0030.0237.84
4.3.100.0000.0277.84
4.3.90.0000.0177.84
4.3.80.0000.0577.84
4.3.70.0030.0277.84
4.3.60.0070.0177.84
4.3.50.0030.0337.84
4.3.40.0030.0407.84
4.3.30.0030.0207.84
4.3.20.0030.0307.84
4.3.10.0000.0237.84
4.3.00.0030.0337.84

preferences:
46.83 ms | 400 KiB | 5 Q