3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'x'; echo $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)
8.3.40.0150.00018.71
8.3.30.0150.00018.54
8.3.20.0040.00418.52
8.3.10.0000.00818.59
8.3.00.0130.00619.26
8.2.170.0070.00722.96
8.2.160.0120.00621.02
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0070.00022.05
8.2.110.0030.01321.04
8.2.100.0110.00017.91
8.2.90.0030.00619.30
8.2.80.0050.00319.29
8.2.70.0040.00417.50
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0040.00418.34
8.2.30.0040.00417.90
8.2.20.0040.00417.57
8.2.10.0040.00417.55
8.2.00.0060.00317.77
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00720.76
8.1.230.0090.00320.68
8.1.220.0030.00617.76
8.1.210.0030.00818.98
8.1.200.0060.00317.10
8.1.190.0090.00017.53
8.1.180.0030.00718.10
8.1.170.0000.00718.84
8.1.160.0030.00518.70
8.1.150.0080.00018.51
8.1.140.0000.00717.42
8.1.130.0000.00717.68
8.1.120.0050.00317.45
8.1.110.0000.00717.32
8.1.100.0070.00017.38
8.1.90.0050.00217.44
8.1.80.0090.00017.36
8.1.70.0030.00317.34
8.1.60.0050.00217.55
8.1.50.0040.00417.27
8.1.40.0000.00817.34
8.1.30.0060.00317.56
8.1.20.0060.00317.42
8.1.10.0000.00817.51
8.1.00.0000.00717.43
8.0.300.0070.00019.86
8.0.290.0000.00816.75
8.0.280.0070.00018.48
8.0.270.0030.00317.15
8.0.260.0060.00016.86
8.0.250.0030.00316.83
8.0.240.0080.00016.94
8.0.230.0000.00716.76
8.0.220.0030.00316.79
8.0.210.0090.00016.80
8.0.200.0000.00716.86
8.0.190.0000.00816.88
8.0.180.0070.00016.86
8.0.170.0000.00816.74
8.0.160.0070.00016.72
8.0.150.0080.00016.79
8.0.140.0040.00716.76
8.0.130.0050.00013.24
8.0.120.0000.00716.72
8.0.110.0070.00016.75
8.0.100.0070.00016.62
8.0.90.0080.00016.68
8.0.80.0100.00716.76
8.0.70.0000.00716.65
8.0.60.0040.00416.84
8.0.50.0040.00416.64
8.0.30.0060.01216.95
8.0.20.0110.00917.18
8.0.10.0000.00716.73
8.0.00.0070.01116.69
7.4.330.0000.00512.92
7.4.320.0060.00016.38
7.4.300.0000.00616.42
7.4.290.0090.00016.45
7.4.280.0000.00816.44
7.4.270.0030.00316.45
7.4.260.0030.00213.12
7.4.250.0030.00516.43
7.4.240.0030.00316.50
7.4.230.0040.00416.62
7.4.220.0160.00816.51
7.4.210.0090.00716.44
7.4.200.0000.00816.60
7.4.190.0030.00316.67
7.4.160.0000.01716.43
7.4.150.0070.01116.48
7.4.140.0100.00716.34
7.4.130.0110.00516.37
7.4.120.0070.00916.47
7.4.110.0090.00916.55
7.4.100.0070.01016.36
7.4.90.0060.01616.37
7.4.80.0070.01016.29
7.4.70.0030.01216.45
7.4.60.0060.01016.23
7.4.50.0060.00616.46
7.4.40.0120.00616.18
7.4.30.0080.00816.21
7.4.10.0110.00714.88
7.4.00.0040.01314.84
7.3.330.0050.00312.95
7.3.320.0050.00012.94
7.3.310.0060.00016.13
7.3.300.0030.00316.12
7.3.290.0090.00616.14
7.3.280.0090.00816.16
7.3.270.0160.00016.31
7.3.260.0040.01216.63
7.3.250.0090.00816.33
7.3.240.0100.00616.27
7.3.230.0110.00816.52
7.3.210.0070.01116.40
7.3.200.0110.00719.39
7.3.190.0090.01316.30
7.3.180.0130.00316.42
7.3.170.0130.00316.18
7.3.160.0030.01216.49
7.3.130.0070.01114.77
7.3.120.0030.01314.69
7.3.110.0050.01114.81
7.3.100.0070.01014.55
7.3.90.0050.01114.81
7.3.80.0050.00714.86
7.3.70.0050.01114.76
7.3.60.0100.00514.68
7.3.50.0080.00714.82
7.3.40.0080.00514.70
7.3.30.0080.00714.73
7.3.20.0050.00916.57
7.3.10.0040.01116.64
7.3.00.0030.00816.53
7.2.330.0130.00616.27
7.2.320.0070.01116.61
7.2.310.0100.01316.48
7.2.300.0070.01016.48
7.2.290.0030.01316.32
7.2.260.0090.01014.94
7.2.250.0060.01014.90
7.2.240.0020.01314.70
7.2.230.0030.01415.04
7.2.220.0030.01214.77
7.2.210.0020.00914.84
7.2.200.0050.01014.94
7.2.190.0020.01214.71
7.2.180.0080.00415.00
7.2.170.0100.00314.81
7.2.160.0070.01015.00
7.2.150.0060.01316.70
7.2.140.0030.01016.72
7.2.130.0030.00816.81
7.2.120.0040.00516.88
7.2.110.0070.00716.88
7.2.100.0030.00616.74
7.2.90.0060.00916.81
7.2.80.0080.00716.70
7.2.70.0060.00516.75
7.2.60.0090.00616.78
7.2.50.0030.00716.71
7.2.40.0080.00516.72
7.2.30.0020.00816.79
7.2.20.0030.01116.52
7.2.10.0100.00516.72
7.2.00.0070.00116.87
7.1.330.0060.00815.71
7.1.320.0040.00915.76
7.1.310.0020.01315.59
7.1.300.0100.00515.79
7.1.290.0070.00615.68
7.1.280.0020.00915.63
7.1.270.0030.01115.76
7.1.260.0030.00915.69
7.1.250.0030.00815.63
7.1.240.0050.00415.59
7.1.230.0060.00415.47
7.1.220.0090.00515.51
7.1.210.0070.00515.51
7.1.200.0020.01015.67
7.1.190.0040.00715.56
7.1.180.0050.01015.55
7.1.170.0040.00615.69
7.1.160.0070.00815.74
7.1.150.0040.00915.47
7.1.140.0050.00915.50
7.1.130.0030.00815.57
7.1.120.0030.00715.70
7.1.110.0040.01315.52
7.1.100.0040.00915.82
7.1.90.0030.01215.58
7.1.80.0000.01015.43
7.1.70.0030.01016.02
7.1.60.0070.01116.93
7.1.50.0070.00822.03
7.1.40.0040.00715.44
7.1.30.0030.01115.67
7.1.20.0070.00515.59
7.1.10.0020.01215.59
7.1.00.0040.03117.88
7.0.330.0030.01015.30
7.0.320.0060.00515.08
7.0.310.0050.00715.17
7.0.300.0070.00515.40
7.0.290.0080.00615.39
7.0.280.0080.00315.44
7.0.270.0050.00615.36
7.0.260.0070.00615.30
7.0.250.0050.00715.23
7.0.240.0080.00515.32
7.0.230.0030.00915.33
7.0.220.0060.00615.07
7.0.210.0050.00715.37
7.0.200.0050.00715.04
7.0.190.0060.00515.28
7.0.180.0100.00415.26
7.0.170.0050.00715.19
7.0.160.0080.00215.23
7.0.150.0070.00615.32
7.0.140.0030.03017.46
7.0.130.0050.00615.24
7.0.120.0010.03217.48
7.0.110.0050.00715.34
7.0.100.0070.00415.36
7.0.90.0050.00715.38
7.0.80.0060.00615.28
7.0.70.0060.00615.25
7.0.60.0080.02616.81
7.0.50.0050.02016.21
7.0.40.0040.01915.64
7.0.30.0100.02615.56
7.0.20.0160.02215.71
7.0.10.0070.02015.65
7.0.00.0030.03315.66
5.6.400.0040.00714.54
5.6.390.0100.00314.19
5.6.380.0050.00714.13
5.6.370.0090.00314.13
5.6.360.0060.00914.09
5.6.350.0030.00814.37
5.6.340.0050.00714.23
5.6.330.0070.00514.27
5.6.320.0020.01014.26
5.6.310.0050.00814.04
5.6.300.0090.00314.37
5.6.290.0090.00414.31
5.6.280.0030.02716.66
5.6.270.0040.00914.18
5.6.260.0050.00614.34
5.6.250.0030.00614.24
5.6.240.0030.00614.16
5.6.230.0050.00414.18
5.6.220.0030.00814.04
5.6.210.0070.01416.26
5.6.200.0090.01615.50
5.6.190.0070.01516.37
5.6.180.0130.01716.32
5.6.170.0100.01616.17
5.6.160.0080.02816.34
5.6.150.0060.03115.61
5.6.140.0070.02815.59
5.6.130.0080.03115.42
5.6.120.0040.02116.35
5.6.110.0080.03016.47
5.6.100.0030.03616.33
5.6.90.0070.02116.56
5.6.80.0060.01816.28
5.6.70.0140.02616.09
5.6.60.0030.00914.01
5.6.50.0050.00614.33
5.6.40.0060.00514.07
5.6.30.0090.00514.30
5.6.20.0050.00914.20
5.6.10.0040.00414.23
5.6.00.0050.00914.16
5.5.380.0040.00712.60
5.5.370.0080.00312.64
5.5.360.0040.00612.63
5.5.350.0090.03415.23
5.5.340.0050.03414.47
5.5.330.0060.01815.24
5.5.320.0120.02315.23
5.5.310.0110.01515.13
5.5.300.0070.03014.47
5.5.290.0060.03014.38
5.5.280.0070.02915.47
5.5.270.0040.02015.38
5.5.260.0040.03015.47
5.5.250.0070.02015.36
5.5.240.0050.02315.20
5.5.230.0070.00312.68
5.5.220.0030.00912.50
5.5.210.0020.00812.62
5.5.200.0040.00712.53
5.5.190.0070.00312.51
5.5.180.0010.00612.68
5.5.170.0030.00912.56
5.5.160.0070.00512.53
5.5.150.0050.00912.65
5.5.140.0080.00712.69
5.5.130.0040.00712.58
5.5.120.0040.00712.70
5.5.110.0030.00612.80
5.5.100.0100.00312.51
5.5.90.0030.01012.54
5.5.80.0020.00712.73
5.5.70.0070.00412.65
5.5.60.0020.01012.65
5.5.50.0070.00412.64
5.5.40.0050.00812.46
5.5.30.0060.00712.51
5.5.20.0050.00312.44
5.5.10.0040.00612.62
5.5.00.0100.00212.59
5.4.450.0110.02714.16
5.4.440.0090.02814.07
5.4.430.0070.03014.19
5.4.420.0120.02414.19
5.4.410.0080.01814.09
5.4.400.0100.01914.03
5.4.390.0090.02114.08
5.4.380.0090.01614.03
5.4.370.0120.01114.03
5.4.360.0060.03214.04
5.4.350.0110.02214.02
5.4.340.0090.02314.04
5.4.330.0050.00511.50
5.4.320.0110.02814.08
5.4.310.0110.01914.04
5.4.300.0080.02814.08
5.4.290.0100.02513.96
5.4.280.0090.02814.08
5.4.270.0100.01914.04
5.4.260.0040.02714.02
5.4.250.0090.01513.96
5.4.240.0110.02214.08
5.4.230.0100.02713.92
5.4.220.0120.02114.03
5.4.210.0090.02214.04
5.4.200.0120.02014.04
5.4.190.0110.01913.97
5.4.180.0110.01814.08
5.4.170.0080.03313.92
5.4.160.0130.01813.93
5.4.150.0080.02914.04
5.4.140.0130.02313.18
5.4.130.0060.02213.06
5.4.120.0110.02113.12
5.4.110.0100.02313.17
5.4.100.0100.02613.02
5.4.90.0070.02813.13
5.4.80.0110.02613.10
5.4.70.0140.01913.15
5.4.60.0110.02113.12
5.4.50.0090.01913.01
5.4.40.0080.03313.10
5.4.30.0100.02513.06
5.4.20.0100.02713.13
5.4.10.0070.01913.12
5.4.00.0100.01812.88
5.3.290.0100.02612.50
5.3.280.0110.02512.50
5.3.270.0100.02712.57
5.3.260.0130.02512.52
5.3.250.0090.03112.52
5.3.240.0090.02112.48
5.3.230.0080.02012.48
5.3.220.0100.02712.50
5.3.210.0120.02412.46
5.3.200.0080.02712.52
5.3.190.0150.01912.53
5.3.180.0060.02412.48
5.3.170.0160.02412.50
5.3.160.0090.02812.47
5.3.150.0080.02012.48
5.3.140.0090.03112.47
5.3.130.0150.02112.53
5.3.120.0130.02312.46
5.3.110.0100.01712.54
5.3.100.0110.02612.29
5.3.90.0140.02312.31
5.3.80.0100.01912.35
5.3.70.0120.02312.28
5.3.60.0080.02912.32
5.3.50.0110.02012.26
5.3.40.0110.02812.27
5.3.30.0060.01712.25
5.3.20.0060.02212.21
5.3.10.0040.02112.25
5.3.00.0130.02412.19
5.2.170.0080.03211.88
5.2.160.0140.02711.88
5.2.150.0120.02311.88
5.2.140.0130.02511.88
5.2.130.0050.02211.88
5.2.120.0110.01311.88
5.2.110.0140.03011.88
5.2.100.0150.02211.88
5.2.90.0140.02511.88
5.2.80.0170.02711.88
5.2.70.0070.02211.88
5.2.60.0100.02211.88
5.2.50.0120.02911.88
5.2.40.0130.01811.88
5.2.30.0100.01811.88
5.2.20.0080.03311.88
5.2.10.0110.03011.88
5.2.00.0100.03011.88
5.1.60.0090.02911.88
5.1.50.0070.03111.88
5.1.40.0110.02011.88
5.1.30.0100.02011.88
5.1.20.0110.02011.88
5.1.10.0130.02611.88
5.1.00.0080.01911.88
5.0.50.0090.02011.88
5.0.40.0050.02311.88
5.0.30.0060.02511.88
5.0.20.0060.02311.88
5.0.10.0070.02211.88
5.0.00.0030.03011.88
4.4.90.0030.01411.88
4.4.80.0030.01511.88
4.4.70.0070.01811.88
4.4.60.0060.01011.88
4.4.50.0090.00811.88
4.4.40.0020.02311.88
4.4.30.0050.01811.88
4.4.20.0050.01611.88
4.4.10.0050.01211.88
4.4.00.0050.03011.88
4.3.110.0020.01811.88
4.3.100.0050.01311.88
4.3.90.0050.01811.88
4.3.80.0030.02211.88
4.3.70.0050.01911.88
4.3.60.0050.01111.88
4.3.50.0030.01811.88
4.3.40.0050.01711.88
4.3.30.0020.02111.88
4.3.20.0030.00911.88
4.3.10.0070.01711.88
4.3.00.0030.02011.88

preferences:
46.67 ms | 400 KiB | 5 Q