3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(is_scalar(null));

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)
8.3.40.0150.00618.59
8.3.30.0000.01418.45
8.3.20.0080.00018.52
8.3.10.0070.00020.82
8.3.00.0030.00621.81
8.2.170.0080.00622.96
8.2.160.0070.00720.25
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00821.18
8.2.110.0090.00322.27
8.2.100.0000.01217.78
8.2.90.0090.00018.93
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0000.00817.80
8.2.50.0080.00018.07
8.2.40.0040.00418.00
8.2.30.0030.00519.60
8.2.20.0040.00417.46
8.2.10.0050.00217.46
8.2.00.0030.00817.48
8.1.270.0030.00623.99
8.1.260.0040.01426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.34
8.1.230.0070.00420.90
8.1.220.0080.00018.77
8.1.210.0060.00318.84
8.1.200.0090.00017.10
8.1.190.0040.00417.27
8.1.180.0030.00618.10
8.1.170.0060.00318.59
8.1.160.0040.00718.75
8.1.150.0030.00518.50
8.1.140.0090.00017.21
8.1.130.0000.00717.75
8.1.120.0030.00317.33
8.1.110.0020.00517.29
8.1.100.0050.00617.30
8.1.90.0020.00817.32
8.1.80.0070.00417.27
8.1.70.0110.00017.31
8.1.60.0110.00417.41
8.1.50.0080.00417.36
8.1.40.0090.00417.31
8.1.30.0060.00617.47
8.1.20.0030.01117.47
8.1.10.0040.00917.37
8.1.00.0080.00517.20
8.0.300.0000.00819.85
8.0.290.0040.00417.03
8.0.280.0040.00418.36
8.0.270.0000.00717.11
8.0.260.0030.00616.70
8.0.250.0040.00416.90
8.0.240.0040.00416.77
8.0.230.0100.00216.76
8.0.220.0060.00516.73
8.0.210.0070.00516.80
8.0.200.0050.00616.81
8.0.190.0050.00616.85
8.0.180.0110.00016.85
8.0.170.0040.00816.86
8.0.160.0100.00216.76
8.0.150.0110.00116.76
8.0.140.0090.00416.78
8.0.130.0110.00014.97
8.0.120.0070.00416.74
8.0.110.0090.00416.83
8.0.100.0070.00416.72
8.0.90.0060.00416.77
8.0.80.0070.00616.64
8.0.70.0040.00516.65
8.0.60.0100.00116.71
8.0.50.0090.00316.66
8.0.30.0080.01016.76
8.0.20.0140.00317.17
8.0.10.0090.00316.94
8.0.00.0140.00416.74
7.4.330.0000.00514.54
7.4.320.0000.00616.36
7.4.300.0030.00516.35
7.4.290.0020.00716.34
7.4.280.0070.00416.38
7.4.270.0040.00616.32
7.4.260.0080.00214.66
7.4.250.0020.00716.35
7.4.240.0080.00216.42
7.4.230.0030.00716.34
7.4.220.0070.00716.35
7.4.210.0080.00816.40
7.4.200.0100.00016.40
7.4.190.0080.00316.27
7.4.180.0080.00816.30
7.4.160.0050.00916.36
7.4.150.0150.00216.87
7.4.140.0090.00717.35
7.4.130.0080.00716.36
7.4.120.0110.00616.30
7.4.110.0100.00516.27
7.4.100.0060.00916.30
7.4.90.0070.00816.32
7.4.80.0110.00317.81
7.4.70.0110.00516.35
7.4.60.0100.00616.22
7.4.50.0050.00416.20
7.4.40.0100.00319.20
7.4.30.0110.00616.18
7.4.20.0030.01016.25
7.4.10.0100.00515.37
7.4.00.0080.00715.05
7.3.330.0060.00414.57
7.3.320.0090.00214.50
7.3.310.0040.00716.15
7.3.300.0080.00315.94
7.3.290.0110.00616.01
7.3.280.0080.00916.09
7.3.270.0140.00316.66
7.3.260.0070.01217.51
7.3.250.0080.00716.24
7.3.240.0110.00416.23
7.3.230.0050.01016.17
7.3.220.0130.00215.97
7.3.210.0070.01116.10
7.3.200.0060.00917.68
7.3.190.0100.00816.10
7.3.180.0060.00916.07
7.3.170.0090.00716.17
7.3.160.0070.00816.11
7.3.150.0120.00216.10
7.3.140.0090.00516.14
7.3.130.0090.00715.40
7.3.120.0100.00615.15
7.3.110.0090.00815.26
7.3.100.0080.00515.28
7.3.90.0110.00515.46
7.3.80.0070.00615.36
7.3.70.0090.00615.49
7.3.60.0050.00715.34
7.3.50.0050.01015.47
7.3.40.0090.00615.05
7.3.30.0060.00715.22
7.3.20.0090.00516.44
7.3.10.0050.01016.43
7.3.00.0070.00616.33
7.2.340.0070.00715.96
7.2.330.0090.00716.26
7.2.320.0120.00616.24
7.2.310.0060.01216.20
7.2.300.0100.00516.25
7.2.290.0100.00616.26
7.2.280.0100.00316.18
7.2.270.0120.00215.96
7.2.260.0090.00715.30
7.2.250.0120.00515.64
7.2.240.0050.00915.37
7.2.230.0100.00415.64
7.2.220.0110.00415.64
7.2.210.0060.00615.45
7.2.200.0040.00815.57
7.2.190.0050.00715.59
7.2.180.0090.00315.38
7.2.170.0070.00815.65
7.2.160.0070.00415.35
7.2.150.0060.00816.41
7.2.140.0180.01216.33
7.2.130.0090.00716.67
7.2.120.0110.00516.34
7.2.110.0120.00316.53
7.2.100.0090.00316.43
7.2.90.0080.00816.51
7.2.80.0060.01016.40
7.2.70.0030.01116.49
7.2.60.0050.00816.50
7.2.50.0080.00716.61
7.2.40.0090.00416.60
7.2.30.0080.00916.55
7.2.20.0070.00616.60
7.2.10.0120.00316.59
7.2.00.0080.00617.38
7.1.330.0110.00315.41
7.1.320.0090.00615.54
7.1.310.0130.00215.57
7.1.300.0040.01215.46
7.1.290.0060.00715.38
7.1.280.0090.00515.55
7.1.270.0070.00715.60
7.1.260.0120.00515.46
7.1.250.0090.00515.32
7.1.240.0130.00215.54
7.1.230.0070.00915.47
7.1.220.0030.01015.63
7.1.210.0020.01315.58
7.1.200.0080.00615.53
7.1.190.0060.00815.56
7.1.180.0090.00215.39
7.1.170.0090.00515.40
7.1.160.0050.00915.42
7.1.150.0090.00615.37
7.1.140.0110.00215.51
7.1.130.0040.00915.48
7.1.120.0090.00615.46
7.1.110.0070.00515.36
7.1.100.0070.00616.18
7.1.90.0070.00615.22
7.1.80.0070.00715.57
7.1.70.0050.00715.75
7.1.60.0090.00916.82
7.1.50.0070.00915.80
7.1.40.0130.00615.43
7.1.30.0050.00915.57
7.1.20.0110.00515.59
7.1.10.0050.00915.47
7.1.00.0080.02317.66
7.0.330.0090.00615.14
7.0.320.0090.00515.19
7.0.310.0060.00615.00
7.0.300.0070.00715.11
7.0.290.0070.00615.13
7.0.280.0090.00414.97
7.0.270.0100.00315.07
7.0.260.0080.00715.03
7.0.250.0030.00715.15
7.0.240.0080.00615.21
7.0.230.0100.00315.23
7.0.220.0080.00315.12
7.0.210.0050.00815.19
7.0.200.0070.00715.64
7.0.190.0050.00615.07
7.0.180.0080.00615.06
7.0.170.0020.01215.10
7.0.160.0190.00215.14
7.0.150.0040.00815.19
7.0.140.0050.03017.47
7.0.130.0090.00415.17
7.0.120.0070.00715.04
7.0.110.0080.00415.19
7.0.100.0110.00315.21
7.0.90.0060.00915.16
7.0.80.0130.03116.72
7.0.70.0250.02816.70
7.0.60.0280.02616.62
7.0.50.0260.03316.85
7.0.40.0110.01616.01
7.0.30.0060.02716.17
7.0.20.0080.02816.11
7.0.10.0110.02916.12
7.0.00.0030.03416.13
5.6.400.0100.00314.58
5.6.390.0080.00714.88
5.6.380.0080.00514.90
5.6.370.0070.00314.76
5.6.360.0060.00514.81
5.6.350.0060.00814.95
5.6.340.0070.00714.97
5.6.330.0070.00714.75
5.6.320.0080.00214.85
5.6.310.0030.00814.85
5.6.300.0040.00814.86
5.6.290.0090.00314.77
5.6.280.0060.02816.91
5.6.270.0080.00514.80
5.6.260.0080.00514.84
5.6.250.0040.00815.01
5.6.240.0050.00514.90
5.6.230.0120.03016.85
5.6.220.0080.03216.94
5.6.210.0060.02216.77
5.6.200.0090.03116.85
5.6.190.0070.02816.83
5.6.180.0030.03417.00
5.6.170.0070.02916.91
5.6.160.0070.03016.98
5.6.150.0110.02816.91
5.6.140.0110.02816.99
5.6.130.0080.03117.04
5.6.120.0100.03216.88
5.6.110.0070.03116.90
5.6.100.0080.03016.84
5.6.90.0100.02916.80
5.6.80.0070.02916.64
5.6.70.0120.02416.66
5.6.60.0100.02716.66
5.6.50.0050.01916.69
5.6.40.0080.03016.62
5.6.30.0130.02716.63
5.6.20.0080.02416.57
5.6.10.0090.02916.58
5.6.00.0130.02516.65
5.5.380.0090.00314.93
5.5.370.0120.02816.58
5.5.360.0080.03316.68
5.5.350.0100.02616.59
5.5.340.0130.02916.88
5.5.330.0130.02916.85
5.5.320.0020.03516.73
5.5.310.0050.03416.77
5.5.300.0080.03116.81
5.5.290.0090.03116.76
5.5.280.0050.03516.84
5.5.270.0060.03316.90
5.5.260.0070.02516.87
5.5.250.0050.03416.61
5.5.240.0090.03016.56
5.5.230.0090.02616.46
5.5.220.0110.02616.61
5.5.210.0060.02316.56
5.5.200.0080.02416.61
5.5.190.0060.03016.58
5.5.180.0060.02516.56
5.5.170.0080.00614.63
5.5.160.0080.02216.47
5.5.150.0090.02916.53
5.5.140.0140.02316.41
5.5.130.0040.02516.40
5.5.120.0080.01416.58
5.5.110.0090.01616.41
5.5.100.0050.02916.53
5.5.90.0060.02016.48
5.5.80.0080.01516.53
5.5.70.0060.01616.44
5.5.60.0050.01816.61
5.5.50.0080.01516.51
5.5.40.0080.01616.49
5.5.30.0090.02516.47
5.5.20.0060.01716.53
5.5.10.0050.01716.52
5.5.00.0070.01816.41
5.4.450.0080.02614.63
5.4.440.0040.03214.73
5.4.430.0040.02814.63
5.4.420.0110.02514.62
5.4.410.0040.02914.62
5.4.400.0060.02714.46
5.4.390.0070.02814.43
5.4.380.0050.03114.64
5.4.370.0050.02014.57
5.4.360.0020.03414.58
5.4.350.0060.01914.56
5.4.340.0060.02914.47
5.4.330.0040.00612.28
5.4.320.0100.02114.51
5.4.310.0100.02614.63
5.4.300.0080.01914.62
5.4.290.0050.02914.54
5.4.280.0050.01614.58
5.4.270.0080.02614.52
5.4.260.0080.01414.45
5.4.250.0060.01814.60
5.4.240.0050.02814.60
5.4.230.0080.01514.34
5.4.220.0060.01514.38
5.4.210.0070.01614.53
5.4.200.0020.01814.48
5.4.190.0020.01814.51
5.4.180.0080.01314.44
5.4.170.0070.02414.55
5.4.160.0050.02314.54
5.4.150.0050.02714.49
5.4.140.0090.01613.63
5.4.130.0030.02613.67
5.4.120.0040.02413.68
5.4.110.0040.02613.69
5.4.100.0070.01413.66
5.4.90.0090.01113.71
5.4.80.0060.01413.56
5.4.70.0070.02313.62
5.4.60.0050.02013.67
5.4.50.0060.01413.60
5.4.40.0040.01713.63
5.4.30.0110.01313.72
5.4.20.0030.01913.60
5.4.10.0060.01513.66
5.4.00.0060.01713.47
5.3.290.0070.01913.80
5.3.280.0050.01713.74
5.3.270.0050.02413.81
5.3.260.0080.01513.71
5.3.250.0080.01913.71
5.3.240.0090.02413.62
5.3.230.0050.02913.77
5.3.220.0070.02113.77
5.3.210.0080.01913.65
5.3.200.0030.02113.64
5.3.190.0030.01813.77
5.3.180.0070.01413.71
5.3.170.0050.01613.72
5.3.160.0030.01813.80
5.3.150.0030.01913.79
5.3.140.0040.01713.70
5.3.130.0060.01713.68
5.3.120.0060.01313.72
5.3.110.0040.01513.69
5.3.100.0040.01713.70
5.3.90.0060.01413.67
5.3.80.0030.01913.72
5.3.70.0050.01513.71
5.3.60.0050.03013.72
5.3.50.0060.01613.74
5.3.40.0030.01513.72
5.3.30.0060.01213.63
5.3.20.0070.01113.66
5.3.10.0060.01313.58
5.3.00.0070.02613.67

preferences:
46.52 ms | 400 KiB | 5 Q