3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo is_scalar("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)
8.3.40.0120.00318.71
8.3.30.0100.00318.79
8.3.20.0000.00720.26
8.3.10.0080.00022.10
8.3.00.0000.00822.44
8.2.170.0040.01122.96
8.2.160.0030.01020.58
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.11
8.2.110.0040.00422.16
8.2.100.0060.00619.51
8.2.90.0070.00019.19
8.2.80.0030.00517.97
8.2.70.0070.00317.25
8.2.60.0050.00317.90
8.2.50.0060.00318.07
8.2.40.0040.00417.92
8.2.30.0000.00718.04
8.2.20.0000.00717.63
8.2.10.0080.00019.34
8.2.00.0050.00217.66
8.1.270.0090.00622.19
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0080.00023.78
8.1.230.0000.01118.95
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0100.00017.23
8.1.190.0000.00817.28
8.1.180.0040.00418.44
8.1.170.0040.00418.46
8.1.160.0020.00521.99
8.1.150.0040.00418.48
8.1.140.0060.00317.31
8.1.130.0070.00017.71
8.1.120.0030.00317.29
8.1.110.0000.00817.35
8.1.100.0030.00317.37
8.1.90.0000.00717.30
8.1.80.0050.00217.24
8.1.70.0000.00717.26
8.1.60.0050.00217.48
8.1.50.0040.00417.43
8.1.40.0040.00417.27
8.1.30.0070.00017.34
8.1.20.0050.00317.58
8.1.10.0000.00717.44
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0000.00817.18
8.0.280.0050.00318.38
8.0.270.0070.00017.20
8.0.260.0070.00016.79
8.0.250.0030.00316.98
8.0.240.0040.00416.94
8.0.230.0000.00816.79
8.0.220.0070.00016.84
8.0.210.0030.00316.69
8.0.200.0030.00316.89
8.0.190.0030.00516.88
8.0.180.0050.00216.75
8.0.170.0040.00416.84
8.0.160.0040.00416.92
8.0.150.0000.00816.75
8.0.140.0030.00516.80
8.0.130.0050.00013.25
8.0.120.0040.00416.73
8.0.110.0000.00716.64
8.0.100.0070.00016.79
8.0.90.0020.00516.59
8.0.80.0060.00916.74
8.0.70.0040.00416.88
8.0.60.0050.00216.64
8.0.50.0040.00416.76
8.0.30.0080.01016.92
8.0.20.0120.00817.40
8.0.10.0040.00416.80
8.0.00.0090.01216.60
7.4.330.0050.00015.00
7.4.320.0030.00316.25
7.4.300.0060.00016.50
7.4.290.0070.00016.21
7.4.280.0060.00016.34
7.4.270.0000.00616.41
7.4.260.0070.00016.38
7.4.250.0050.00216.32
7.4.240.0040.00416.35
7.4.230.0060.00016.21
7.4.220.0030.01316.57
7.4.210.0090.00616.38
7.4.200.0070.00016.29
7.4.190.0000.00716.51
7.4.160.0080.00816.45
7.4.150.0080.00817.40
7.4.140.0120.00917.86
7.4.130.0140.00616.40
7.4.120.0080.00916.30
7.4.110.0060.01016.28
7.4.100.0070.01016.20
7.4.90.0090.00916.29
7.4.80.0180.00619.39
7.4.70.0040.01616.19
7.4.60.0130.00316.48
7.4.50.0030.00616.54
7.4.40.0070.00722.77
7.4.30.0120.00316.60
7.4.00.0060.00714.95
7.3.330.0000.00513.05
7.3.320.0000.00512.96
7.3.310.0000.00716.13
7.3.300.0030.00316.05
7.3.290.0100.01016.17
7.3.280.0050.01016.15
7.3.270.0080.00817.40
7.3.260.0090.00916.20
7.3.250.0130.00516.33
7.3.240.0130.00316.40
7.3.230.0060.00916.39
7.3.210.0130.00316.28
7.3.200.0110.00619.39
7.3.190.0120.00616.16
7.3.180.0090.00616.41
7.3.170.0110.00716.44
7.3.160.0080.00816.14
7.3.120.0070.00814.58
7.3.110.0100.00714.69
7.3.100.0030.01314.77
7.3.90.0080.00714.73
7.3.80.0060.00814.53
7.3.70.0080.00714.56
7.3.60.0050.00614.69
7.3.50.0060.00814.50
7.3.40.0090.00614.62
7.3.30.0060.00614.62
7.3.20.0040.01015.58
7.3.10.0070.00815.57
7.3.00.0070.00715.58
7.2.330.0100.00716.48
7.2.320.0120.00916.63
7.2.310.0070.01416.63
7.2.300.0040.01416.54
7.2.290.0060.01016.52
7.2.250.0050.01014.94
7.2.240.0130.00514.80
7.2.230.0070.00714.86
7.2.220.0030.01114.78
7.2.210.0030.00814.71
7.2.200.0030.01014.80
7.2.190.0040.00914.89
7.2.180.0030.00814.81
7.2.170.0000.01314.86
7.2.160.0080.00514.86
7.2.150.0060.00815.90
7.2.140.0040.01315.79
7.2.130.0030.01215.76
7.2.120.0030.00915.88
7.2.110.0050.01015.67
7.2.100.0030.01315.86
7.2.90.0050.00815.87
7.2.80.0020.01215.92
7.2.70.0090.01015.76
7.2.60.0040.01015.92
7.2.50.0040.01215.82
7.2.40.0110.00715.72
7.2.30.0060.00615.83
7.2.20.0160.00915.79
7.2.10.0050.00915.60
7.2.00.0040.01217.04
7.1.330.0060.01114.70
7.1.320.0060.00814.68
7.1.310.0060.00614.75
7.1.300.0130.00214.64
7.1.290.0070.00614.58
7.1.280.0080.00514.43
7.1.270.0070.00914.67
7.1.260.0080.00814.80
7.1.250.0050.00814.73
7.1.240.0080.00714.59
7.1.230.0130.00314.82
7.1.220.0100.00714.52
7.1.210.0070.01114.64
7.1.200.0120.00215.08
7.1.190.0060.00914.69
7.1.180.0130.00214.58
7.1.170.0110.00614.79
7.1.160.0100.00714.74
7.1.150.0080.00614.78
7.1.140.0100.01114.64
7.1.130.0110.00714.66
7.1.120.0090.01014.66
7.1.110.0130.00714.60
7.1.100.0060.00815.89
7.1.90.0100.00614.66
7.1.80.0270.00514.78
7.1.70.0090.00615.57
7.1.60.0130.00616.37
7.1.50.0100.00915.29
7.1.40.0130.00914.81
7.1.30.0080.00914.64
7.1.20.0040.01514.51
7.1.10.0100.01014.56
7.1.00.0080.02817.29
7.0.330.0110.00614.38
7.0.320.0080.00814.41
7.0.310.0070.01014.41
7.0.300.0100.00614.30
7.0.290.0100.00514.26
7.0.280.0040.01414.36
7.0.270.0080.01214.39
7.0.260.0070.00914.29
7.0.250.0080.00714.35
7.0.240.0150.00214.32
7.0.230.0120.00514.13
7.0.220.0100.00414.35
7.0.210.0090.00814.31
7.0.200.0090.00714.95
7.0.190.0130.00414.26
7.0.180.0110.00614.36
7.0.170.0080.00914.36
7.0.160.0110.00414.55
7.0.150.0070.01214.29
7.0.140.0070.02916.89
7.0.130.0110.00714.22
7.0.120.0120.00514.49
7.0.110.0140.03316.19
7.0.100.0140.02616.18
7.0.90.0080.02316.24
7.0.80.0240.02516.15
7.0.70.0290.02016.30
7.0.60.0250.02916.27
7.0.50.0260.02916.32
7.0.40.0090.02115.51
7.0.30.0110.02115.48
7.0.20.0040.03115.58
7.0.10.0060.02115.54
7.0.00.0040.03515.49
5.6.400.0120.00714.15
5.6.390.0140.00314.28
5.6.380.0120.00714.07
5.6.370.0140.00414.08
5.6.360.0110.00714.22
5.6.350.0030.01414.27
5.6.340.0100.01014.43
5.6.330.0060.01314.40
5.6.320.0110.00513.93
5.6.310.0080.00614.38
5.6.300.0110.00614.07
5.6.290.0080.01114.28
5.6.280.0080.02916.47
5.6.270.0110.00514.34
5.6.260.0090.02316.27
5.6.250.0090.03016.45
5.6.240.0100.03116.21
5.6.230.0040.03416.38
5.6.220.0090.02916.37
5.6.210.0070.03216.20
5.6.200.0090.02416.26
5.6.190.0080.02416.21
5.6.180.0100.01416.29
5.6.170.0100.01616.37
5.6.160.0040.02116.31
5.6.150.0090.02616.29
5.6.140.0060.03316.46
5.6.130.0030.02416.44
5.6.120.0060.02216.29
5.6.110.0090.02616.38
5.6.100.0080.02016.28
5.6.90.0080.03416.24
5.6.80.0080.02016.05
5.6.70.0110.03216.10
5.6.60.0080.01916.08
5.6.50.0060.03315.96
5.6.40.0130.02616.02
5.6.30.0050.03215.92
5.6.20.0080.02315.93
5.6.10.0070.02616.02
5.6.00.0070.03015.77
5.5.380.0070.02415.21
5.5.370.0100.01715.33
5.5.360.0070.03215.24
5.5.350.0080.02815.38
5.5.340.0060.02415.34
5.5.330.0060.01715.31
5.5.320.0070.03315.33
5.5.310.0080.02515.44
5.5.300.0060.01915.42
5.5.290.0110.02515.45
5.5.280.0070.03615.37
5.5.270.0100.02315.21
5.5.260.0040.02415.43
5.5.250.0060.01815.28
5.5.240.0090.01914.99
5.5.230.0110.02515.12
5.5.220.0060.02715.15
5.5.210.0090.02114.92
5.5.200.0090.03315.14
5.5.190.0120.02214.86
5.5.180.0100.03115.09
5.5.170.0080.00814.18
5.5.160.0100.01715.02
5.5.150.0070.02115.16
5.5.140.0090.02914.98
5.5.130.0070.03215.06
5.5.120.0060.02215.04
5.5.110.0100.02715.05
5.5.100.0090.03115.18
5.5.90.0160.02415.27
5.5.80.0090.01715.06
5.5.70.0080.02614.96
5.5.60.0100.01715.10
5.5.50.0030.03214.84
5.5.40.0050.02315.11
5.5.30.0080.01615.13
5.5.20.0050.02215.25
5.5.10.0040.02214.88
5.5.00.0090.03114.95
5.4.450.0060.01414.49
5.4.440.0060.02114.45
5.4.430.0060.02814.39
5.4.420.0110.02114.38
5.4.410.0070.02814.29
5.4.400.0140.02314.38
5.4.390.0070.03114.21
5.4.380.0050.02514.33
5.4.370.0040.02014.22
5.4.360.0090.01314.27
5.4.350.0060.01814.38
5.4.340.0060.03314.29
5.4.330.0050.00711.86
5.4.320.0080.02014.29
5.4.310.0080.01814.21
5.4.300.0060.02914.19
5.4.290.0100.02514.30
5.4.280.0070.02914.38
5.4.270.0110.01614.29
5.4.260.0080.02514.28
5.4.250.0060.02914.29
5.4.240.0040.03214.31
5.4.230.0120.02114.29
5.4.220.0040.02914.39
5.4.210.0090.02414.20
5.4.200.0070.02614.31
5.4.190.0080.02514.27
5.4.180.0040.02314.22
5.4.170.0080.01514.18
5.4.160.0080.02614.21
5.4.150.0070.02014.17
5.4.140.0050.01713.30
5.4.130.0060.01813.28
5.4.120.0060.01813.34
5.4.110.0090.02413.29
5.4.100.0070.03113.42
5.4.90.0070.02813.46
5.4.80.0070.02213.40
5.4.70.0060.01513.28
5.4.60.0080.02113.45
5.4.50.0060.02713.44
5.4.40.0090.01713.44
5.4.30.0070.01713.47
5.4.20.0080.02713.35
5.4.10.0060.02813.46
5.4.00.0060.02813.22
5.3.290.0100.02312.76
5.3.280.0090.02612.63
5.3.270.0050.03012.58
5.3.260.0060.02812.64
5.3.250.0050.02612.61
5.3.240.0090.02512.63
5.3.230.0040.02012.63
5.3.220.0050.02912.62
5.3.210.0090.02812.53
5.3.200.0080.01512.61
5.3.190.0090.02512.56
5.3.180.0080.02112.67
5.3.170.0000.02912.64
5.3.160.0070.02312.64
5.3.150.0080.02712.62
5.3.140.0070.02712.59
5.3.130.0080.02712.68
5.3.120.0050.02912.64
5.3.110.0070.02212.63
5.3.100.0080.01612.39
5.3.90.0030.03112.44
5.3.80.0080.02212.31
5.3.70.0050.03012.36
5.3.60.0040.01812.42
5.3.50.0060.02512.46
5.3.40.0080.02712.39
5.3.30.0060.01712.38
5.3.20.0060.02312.33
5.3.10.0040.02812.23
5.3.00.0070.02512.22
5.2.170.0120.01510.75
5.2.160.0050.03210.68
5.2.150.0100.02510.73
5.2.140.0040.02110.68
5.2.130.0040.03310.68
5.2.120.0090.02210.77
5.2.110.0080.02910.69
5.2.100.0050.02210.72
5.2.90.0070.03010.68
5.2.80.0040.02410.68
5.2.70.0050.02110.68
5.2.60.0080.02310.68
5.2.50.0060.02310.68
5.2.40.0010.01910.70
5.2.30.0090.02710.68
5.2.20.0080.02510.68
5.2.10.0110.02310.68
5.2.00.0080.01810.68
5.1.60.0070.02810.68
5.1.50.0050.01810.68
5.1.40.0020.01610.68
5.1.30.0030.03010.68
5.1.20.0030.02010.68
5.1.10.0030.01610.68
5.1.00.0030.02710.68
5.0.50.0020.02410.68
5.0.40.0090.01710.68
5.0.30.0070.01810.68
5.0.20.0090.01810.68
5.0.10.0060.02110.68
5.0.00.0060.01810.68
4.4.90.0030.02010.68
4.4.80.0080.01310.68
4.4.70.0020.01210.68
4.4.60.0030.01010.68
4.4.50.0040.01010.68
4.4.40.0040.02010.68
4.4.30.0030.01010.68
4.4.20.0050.01710.68
4.4.10.0000.01710.68
4.4.00.0000.02910.68
4.3.110.0000.01610.68
4.3.100.0020.01710.68
4.3.90.0020.01810.68
4.3.80.0000.01810.68
4.3.70.0020.01010.68
4.3.60.0050.00710.68
4.3.50.0000.01310.68
4.3.40.0050.02110.68
4.3.30.0040.00910.68
4.3.20.0030.01610.68
4.3.10.0000.01210.68
4.3.00.0020.00910.68

preferences:
42.58 ms | 400 KiB | 5 Q